The Trusted Source for Natural Health Solutions

Whole Life Expo

Visit us at the show!

Learn more

Articles by Dr. Zoltan P. Rona, MD, M.Sc.

Progesterone is one of the most important hormones secreted by the adrenal gland

Adrenal Stress ~ And What To Do About It

10:30 pm July 6, 2017

Are you stressed out?  Chronically tired? Allergies getting worse instead of better?  Catching one infection after the next despite a good diet?  Premature menopause? Most working adults are dealing with more emails, texts, and other computer and... Read more »

Tristar Hydration Supremacy is an ideal sports drink formula with electrolytes, potassium, sodium

Feeling Hot and Sweaty? Stay Hydrated!

01:39 pm June 5, 2017

You’re going to the gym to sweat buckets on a near daily basis, or perhaps you’re a frequent jogger. What drink do you consume to maintain hydration? A fluorescent coloured sports drink? Electrolyte beverage? A caffeinated soft drink? Sugar water?... Read more »

It has often been falsely reported that Vitamin C causes kidney stones

Top Ten Nutrition Myths (Part 1)

03:15 pm April 4, 2017

(Editor’s note: This month we bring you the first segment of Dr. Rona’s feature on Nutrition Myths, which covers the first two items on his Top Ten list. To see the complete Top Ten, click on the link at end of article.)

This list of nutritional... Read more »

Ask the Doctor – Reader Concerned About Cholesterol Medication

12:20 am February 5, 2017

Hello Dr. Rona:  My physician has become increasingly concerned about my cholesterol levels being too high. I was deemed to have high cholesterol starting in my early 20’s. Recently, he ordered ultrasound tests of both my neck and legs to find out... Read more »

Nutrients to lift mood, control weight, and prevent hangovers can help make your season brighter

Top 10 Nutrients For The Holiday Season

02:27 pm December 1, 2016

Every year around the holidays, your social calendar fills up and you’re tempted to eat and drink indiscriminately away from home. Office parties and family get togethers make for the majority of excuses to overeat and drink excessive amounts of... Read more »

What you can do to boost your immune system against common bugs and the 'flu

Boost Your Defences Against the ‘Flu

03:41 pm November 7, 2016

According to my recollection, last year at about this time at least a dozen of my patients contracted influenza shortly after getting the ‘flu shot. How can this be?

The Canadian Centers for Disease Control (CDC) recently announced that the... Read more »

Questions Asked and Answered On: Arthritis, ADHD, and Truvada

04:05 pm September 23, 2016

Should Arthritis Sufferers Avoid Gluten and Citrus?

(Re: September 2016 article, ‘Arthritis, Osteo versus Rheumatoid – and the Best Natural Treatments for Both’

Dear Doctor Rona:

I read your recent... Read more »

Food allergies may be a hidden cause of chronic inflammation in joints


03:32 pm August 29, 2016

Joint pain is a common complaint that shows up at the doctor’s office every day. Arthritis is a general term meaning inflammation in the joints. Is it rheumatoid or osteoarthritis? What’s the difference and what are the best natural treatments?

... Read more »


12:40 pm July 4, 2016

“Everything has beauty, but not everyone sees it.”
~ Confucius

There are many definitions of beauty, but what this article will deal with is the beauty that comes from the optimum health of one’s skin. Indeed, skin health determines beauty. We all... Read more »

Natural remedies for arthritis include serrapeptase, vitamins A, D & K2, and omega-3 from fish oil

Ask the Doctor – On Rheumatoid Arthritis, and Dry Eye

02:35 pm June 10, 2016


Dear Doctor Rona:

About 8 months ago, my aunt developed symptoms of rheumatoid arthritis with swelling and stiffness in her hands, knees, and feet. Over time, her doctor prescribed three different medications – the first two... Read more »

Vitamin C, B5, Quercetin, and NAC are among nutrients recommended for relieving summer allergies

My Top 5 Summer Survival Strategies

02:53 pm June 3, 2016

 “What good is the warmth of summer, without the cold of winter to give it sweetness.”  ~ John Steinbeck, “Travels with Charley: In Search of America”

Summer is here and so is the urge to throw caution to the wind now that we no longer have deal... Read more »

Restoring intestinal microbes with probiotics can help to reduce the behavioural signs of ASD

AUTISM EPIDEMIC – Causes and Nutritional Medicine Solutions

02:51 pm March 29, 2016

We are in the midst of what can only be described as an epidemic of autism. When I first started my medical practice in 1979, autism was a relatively rare disease with an incidence of one in 10,000 individuals. Recently, some authorities are quoting... Read more »

The Toronto Star reported that fatal overdoses involving opioids jumped by 24% between 2010 & 2013

Drugs You May Not Need

02:22 pm March 2, 2016

“Modern medicine is not scientific; it is full of prejudice, illogic, and is susceptible to advertising. Doctors are not taught to reason, they are programmed to believe in whatever their medical schools teach them and the leading doctors tell them.... Read more »

Unlike drugs, NHPs have never killed anyone. The same cannot be said for most painkillers.


03:09 pm January 28, 2016

“Pain in this life is not avoidable, but the pain we create avoiding pain is avoidable.” – R.D. Laing

Your muscles and joints hurt all over but you are not incapacitated enough to miss work. Some days it’s just your back and thighs that ache. Other... Read more »

Eliminating sugar is at least 80% effective in reversing or reducing symptoms of enlarged adenoids

Ask the Doctor – Enlarged Adenoids

12:26 pm December 7, 2015

Hello Dr. Rona: I have a 6 year-old son who was prescribed Avamys for his adenoids which were previously removed but have now grown back again. I am using Avamys because the alternative was to use Nasonex which appears to have cataracts as a... Read more »

Magnesium is invaluable in protecting the brain’s structure and function

Marvellous Magnesium

02:54 pm November 2, 2015

Most readers know about the importance of magnesium to numerous aspects of health, especially the cardiovascular system. This mineral is also vital to nervous system strength, pain control, muscle health, bone density, and blood sugar balance.... Read more »

If peripheral neuropathy is the result of heavy metals, detoxification is recommended

Ask the Doctor – Peripheral Neuropathy

03:39 pm September 23, 2015

Dear Dr. Rona,

I have been diagnosed with Peripheral Neuropathy – would you be good enough to tell me if there is a natural cure for it. Thank you. – Karl Kostoff, Scarborough, ON

Dear Karl,
Peripheral neuropathy is a condition that results from... Read more »

There are numerous alternative therapies that could be recommended to treat metastatic melanoma

Ask the Doctor – Melanoma

12:34 pm August 28, 2015

Dear Dr. Rona: My father was diagnosed a few weeks ago with Stage 4 melanoma. He is 68 years old and a personal trainer – very fit and healthy. There were two malignant tumours found in his brain, one of which they successfully removed (it was... Read more »

High level maintenance of glutathione is critical for prevention/recovery from all chronic diseases


04:09 pm August 24, 2015

“Your life depends on glutathione. Without it, your cells would disintegrate from unrestrained oxidation, your body would have little resistance to bacteria, viruses and cancer, and your liver would shrivel up from the eventual accumulation of... Read more »

People with metabolic syndrome have difficulty digesting dietary carbs, which get stored as fat

Reversing Metabolic Syndrome

11:46 am June 1, 2015

Approximately 75 million people in North America suffer from Metabolic Syndrome (aka Syndrome X or insulin resistance syndrome), defined by the Mayo Clinic as “a cluster of conditions – increased blood pressure, a high blood sugar level, excess body... Read more »

The measles booster my daughters got may actually have been MMR with all the problematic adjuvants

Ask the Doctor – Medical Exemption

02:25 pm April 29, 2015

Dear Dr. Rona,

How can Ontario parents get legal vaccine exemptions on medical grounds for school age children from their doctor? Everyone seems to agree that there are medical reasons for why some children should not be vaccinated. Almost every... Read more »

Proponents of daily aspirin use offer false hope for prevention and treatment of heart disease, etc.

ASPIRIN - An Update on the Risks and Alternatives

02:25 pm April 1, 2015

“I now realize that taking drugs was like taking an aspirin without having a headache.” ~ Paul McCartney

In May 2014, the U.S. Food and Drug Administration (FDA) advised against the use of aspirin to prevent heart attacks or strokes in people with no... Read more »

Glutathione, the body's most effective antioxidant, can help prevent aging and chronic diseases


03:20 pm January 30, 2015

“Longevity means having a chronic disease – and taking care of it.” – Oliver Wendell Holmes

In my integrative medical practice I am often asked: “Is this or that supplement toxic?” People are sometimes worried about the doses of vitamins, minerals,... Read more »

Vitamin C boosts the immune system by stimulating antibody production; the result: death for Ebola


01:44 pm November 4, 2014

Viral infections like the H1N1 ‘flu, bird ‘flu, West Nile virus, SARS (Severe Acute Respiratory Syndrome), Ebola, Entero-virus D68, and many others are increasingly in the news these days. These reports are starting to terrify people who, because of... Read more »

Leaky gut syndrome, a bowel disorder, plays an important role in ADHD and other brain disorders

KIDS ON DRUGS? – There’s a Better Approach to ADHD

11:38 am September 8, 2014

On the way to work one day recently, I saw a bright sandwich billboard that read, “Do You Suffer From ADHD? Naturopathic Medicine Can Help.” The phone number listed was that of a local naturopathic clinic.

As our children go back to school, there... Read more »

Former Finance Minister Jim Flaherty suffered from a skin disease which was treated with prednisone


12:21 pm May 30, 2014

“Nearly all men die of their medicines, not of their diseases.” - J.B. Moliere, French playwright

The massive heart attack which took the life of former finance minister, Jim Flaherty, on April 10 has focused public attention on the potential... Read more »

N-A-C protects the body from pollutants, drugs, and toxic heavy metals like mercury


02:50 pm May 1, 2014

One of the most underestimated and under-utilized natural food supplements I have recommended to my patients over the past 35 years is an amino acid derivative known as N-A-C (N-Acetyl-Cysteine).

Why underestimated? Well, even naturopaths seldom... Read more »

Prescription drugs are the third leading cause of death, yet they are tax deductible.

Should Disease Prevention Be Tax Deductible?

09:55 pm March 10, 2014

In Canada we seem to have a different law for different classes of health care, and the inconsistencies have become very obvious. For example, a few months ago I received a copy of a letter from one of my patients who was frustrated by the fact that... Read more »

Red Clover Extract helps improve sexual function in men after age 50

The Top 10 Sexiest Supplements

04:51 pm February 14, 2014

When most people think of enhancing libido and fertility they think of boosting certain hormone levels. Testosterone, DHEA, growth hormone, estrogen and progesterone are the major hormones involved  – and their optimal levels in the body can be... Read more »


05:21 pm February 4, 2014

Attacks on the natural health care industry are accelerating. In fact, these attacks by government and Big Pharma are expected to increase in the years to come, mostly as a result of growing public interest in alternatives to harmful chemicals and... Read more »

Omega-3's prevent brain cell damage and lower the risk of Alzheimer's Disease

My Top 10 Supplements for Preventing and Reversing Alzheimer’s, Dementia, and more

05:07 pm November 15, 2013

“Will you still need me, will you still feed me, when I’m 64?” (John Lennon and Paul McCartney, 1968)

If you are 65 years old, you have a one in eight chance of suffering from significant cognitive decline. By age 80 the chances are that one in two... Read more »

Omega-3s increase the activity of white blood cells and protect the lungs from colds and 'flus

My Top 10 Immune Boosting Supplements

07:24 pm October 6, 2013


In January of 2013, Dr. Oz of TV fame (not to be confused with the Wizard of Oz) gave Piers Morgan of CNN a ‘flu shot right on air. A few days later, Piers developed a cough and hoarseness that could only be attributed to the shot he had recently... Read more »

Probiotics work to prevent bladder and bowel cancers by inhibiting bad bacteria

In Praise of Probiotics

11:48 am September 13, 2013

Over 400 species of bacteria weighing almost 4 pounds (1.5 kilos) inhabit the digestive tracts of healthy humans.  Live bacteria (a.k.a. the intestinal flora) make up 30% of the fecal mass. Some of these thousands of billions of bacteria are hostile... Read more »

Ask the Doctor: Low White Blood Cell Count

Ask the Doctor: Low White Blood Cell Count

12:23 pm Jun 17, 2013

Hello Dr. Rona,

My doctor has just informed me that my white blood cell count has gradually dropped from a value of 4 to a value of 2.7 over the past 3 years. I’ve had chronic fatigue syndrome during the '90s, 3 minor strokes, and a heart attack... Read more »

Ask the Doctor: Low White Blood Cell Count

01:20 pm June 7, 2013

Hello Dr. Rona,

My doctor has just informed me that my white blood cell count has gradually dropped from a value of 4 to a value of 2.7 over the past 3 years. I’ve had chronic fatigue syndrome during the '90s, 3 minor strokes, and a heart attack in... Read more »

Thyroid Rescue

11:32 am June 1, 2013

It is estimated that over 200 million people globally (about 35 million people in North America) suffer from at least one of the many forms of thyroid disease. In fact, thyroid problems are increasing so much in frequency that scientists are calling... Read more »

Dr. Zoltan Rona

Government Protects Drugs While It Seizes Natural Health Products

01:09 pm March 1, 2013

Over the past 27 plus years, natural health products (NHPs) have repeatedly come under attack as being dangerous and requiring ever more regulation by government. Yet Health Canada seems not to be in the least concerned about the 3 million deaths... Read more »

Government Protects Drugs While It Seizes Natural Health Products

04:07 pm December 1, 2012

How many of you trust that Health Canada is currently protecting you from dangerous drugs and chemicals? Is the Canadian Health Protection Branch protecting your health or that of the drug companies? Is it on the lookout for toxic drug reactions or... Read more »

Flax seed oil is permitted on the anti-inflammatory diet, as are olive, hemp, and pumpkin oils


03:11 pm November 1, 2012

Inflammation is a normal, natural, and complex series of chemical and cellular activities performed by the body in response to injury or abnormal stimulation caused by a physical, chemical, or biological agent. The inflammatory response is a... Read more »


02:00 pm September 1, 2012

The vaccine debate rages on, with a growing majority of individuals opting to avoid conventional medical advice altogether. For example, in May of this year, the CBC reported that only 36% of Canadian adults were vaccinated against the flu. That’s... Read more »

Enzyme Supplement Safety and Efficacy

05:30 pm February 1, 2012

I am a duly licensed medical doctor in Ontario and have been in private medical practice for over 33 years. I specialize in complementary and integrative medicine and have written 11 books on the subject including "Vitamin D, The Sunshine Vitamin,"... Read more »


03:40 pm November 1, 2011

The following is part of an occasional series by Dr. Rona, called “Drugs You May Not Need.”

Depression is a form of human suffering associated with many symptoms. Not everyone diagnosed with depression by a medical doctor has all these symptoms, but... Read more »

Ask the Doctor: How Do I Avoid Vaccinating My Child?

Ask the Doctor: How Do I Avoid Vaccinating My Child?

11:45 am Oct 24, 2011

Dear Dr. Rona: I came to Canada in 1998. I have three children who had their mandatory vaccinations in Pakistan before they were one year of age. Three weeks ago I received a letter from the Peel health board demanding booster shots for two of my... Read more »

Omega-3 fatty acids preserve blood levels of vitamin D

Omega-3 Supremacy

12:03 pm June 1, 2011

Virtually every new patient I have seen in my private practice in the past 10 years has been taking at least one or more nutritional supplement. In my experience, the most popular ones by far are omega-3 fatty acids coming from fish oil, seafood,... Read more »

Defusing the Calcium Bomb

04:49 pm November 1, 2004

Heart and circulatory problems are still the number one cause of chronic illness and death in North America today. Worldwide, the WHO predicts that, by the year 2020, cardiovascular disease will account for 11.1 million deaths a year. At least 40%... Read more »

Aspirin – Miracle Drug? or False Hope?

02:29 pm May 1, 2011

(Ed. Note: This article was originally published in the November 2002 issue of Vitality, and has been updated for re-release this month.)

Thanks to media hype, over 50 million people in North America are regular aspirin users and this figure is... Read more »

Megadose Vitamin Therapy for Cancer

05:05 pm October 1, 2006

Intravenous nutritional therapy is invasive and should only be considered by those who have tried unsuccessfully to use strict diet changes and oral supplements to heal chronic health conditions. Although it is often used by healthy individuals,... Read more »

Ask the Doctor – March 2007

05:27 pm March 1, 2007

Dear Dr. Rona;

I recently had a check up at my family doctor and asked him how much vitamin C I should take to prevent bladder infections.  He said that vitamin C was not necessary to take and that high doses of vitamin C causes kidney stones. ... Read more »

Acetaminophen has been linked to higher rates of asthma and chronic obstructive pulmonary disease

The Perils of Painkillers

04:38 pm February 16, 2017

So, you think Tylenol is safe. Most of us have always assumed that Tylenol (acetaminophen) is the safest painkiller on the market.  After all, it is the number one drug used in the world. While it is usually effective for mild to moderate pain,... Read more »

Boost Your Brain and Body with B Vitamins

05:23 pm April 1, 2007

While not as glamorous as ginkgo biloba, ginseng or St. John’s wort, the B vitamins are far more important for the optimal functioning of the brain, spinal cord and nervous system than any other nutrient or herbal remedy. While glucosamine... Read more »

Vitamin E – Nature’s Powerful Antioxidant

03:35 pm June 1, 2007

Vitamin E is not a single nutrient but exists in nature as a family of eight different antioxidants.  Some vitamin E supplements sold in health food stores and pharmacies contain only alpha-tocopherol but, in nature, there are four tocopherols.... Read more »

Ask the Doctor – July 2007

05:05 pm July 1, 2007

Dear Doctor Rona,

I hope you won't mind answering a question. In your book you recommend York Nutritional Lab in the U.K. to test for food intolerances. Since it has been several years since that book was published, I looked for a lab here in the... Read more »

Ask the Doctor – September 2007

03:12 pm September 1, 2007

Dear Dr. Rona:

I really do not understand the difference between a naturopath and a holistic doctor.  They seem to prescribe the same kinds of things.  I know that the services of a holistic MD in Ontario and most other provinces are covered... Read more »

Vitamin D - A Physician Separates Truth From Hype

04:55 pm September 1, 2007

When the June 8, 2007 front page of the Toronto Globe and Mail proclaimed the cancer preventing benefits of vitamin D (a.k.a. “the sunshine vitamin” or D3), and the Canadian Cancer Society chirped in with their modest recommendation for everyone... Read more »

Ask the Doctor – October 2007

02:18 pm October 1, 2007

Hi Dr. Rona, I have followed your columns for years and have always respected your expertise. I don't know if you can help me but here is my situation.

I publish local parenting magazines in Northumberland and Peterborough counties (... Read more »

Ask the Doctor – November 2007

03:37 pm November 1, 2007


Dear Dr. Rona:

I plan to travel to Costa Rica and Mexico and I would like your opinion on gamma globulin. Id like to know whether I should have this to prevent hepatitis A before going to these regions. The reason I am... Read more »

Ask the Doctor – December 2007

04:16 pm December 1, 2007

Dr. Rona:

I am a 62-year-old male who has experienced the libido enhancing effects of maca yet I am surprised to read that, according to studies, maca does not increase testosterone levels. I wonder if you have done blood or saliva testing on... Read more »


01:50 pm February 1, 2008

When most people think of enhancing libido and fertility they think of boosting certain hormone levels. Testosterone, DHEA, growth hormone, estrogen and progesterone are the major hormones involved  – and their optimal levels in the body can be... Read more »

Calcium Demystified

04:22 pm March 1, 2008

Do calcium supplements really cause heart attacks? A recent randomized controlled trial published in the January edition of the British Medical Journal (15 January 2008) concludes that: “Loading with high doses of calcium reduces bone loss but at... Read more »

Ask the Doctor – April 2008

03:34 pm April 1, 2008

Does L-arginine cause heart attacks?

Dear Dr. Rona,

I read your excellent article in Vitality this month where you recommend L-arginine as a supplement for testosterone supplements. However the bottle of capsules 500MG prohibits use if a patient... Read more »

Ask the Doctor – May 2008

02:22 pm May 1, 2008

Dear Dr. Rona,
I have been fighting with Crohn’s Disease (CD) for 40 years now, with many ups and downs but also some great improvements during the past six years through herbal remedies, cleanses and treatments for the muscles and lymphatic... Read more »

Omega-3 oils prevent abnormal blood clotting and reduce the risk of heart disease

Ask the Doctor – March 2011

01:29 pm March 1, 2011

(In this occasional series, Dr. Rona shares some of the most common questions asked by patients, along with subsequent answers.)

Why You Don’t Need Lipitor and Company

Dear Dr. Rona:

I read your article in Vitality about cholesterol lowering drugs.... Read more »

Ask the Doctor – June 2008

05:25 pm June 1, 2008

Dear Dr. Rona:

My brother who is 62 years old has liver cirrhosis. Currently he is under medical care in Singapore Mount Elizabeth Hospital. For less than a year he had a cancerous tumor in his liver, recurring four times with an interval of 2-3... Read more »

Magnificent Magnesium

04:29 pm June 1, 2008

Calcium is the mineral that has always had the most media attention, as well as overwhelming approval from the medical profession as a supplement that women should be taking. That in itself may be enough to arouse suspicion. As you might suspect,... Read more »

Ask the Doctor – July 2008

05:18 pm July 1, 2008

Reverse Osmosis Arthritis

Dear Dr. Rona,

I have been drinking reverse osmosis water for about three years now, believing that it was my best alternative to tap water. Over the last few months I have started developing joint aches, cracking, and... Read more »

Ask the Doctor – September 2008

04:34 pm September 1, 2008

Dr. Zoltan,

I’ve read many you’re your articles recently and enjoyed them all.  However, I have a question. I have been drinking distilled water for 20+ years now - a Westbend Dolphyn unit. I guess I bought into many of the earlier concepts –... Read more »

Healing Diabetes Naturally

03:56 pm September 1, 2008

“Avandia was recently back in the news, when it was found that Dr Steven Haffner admitted leaking information about a study linking the drug to a 43% greater risk of heart attacks. Our law firm is currently investigating claims involving the use... Read more »

Ask the Doctor – October 2008

04:12 pm October 1, 2008

Question for Dr. Rona

Dear Dr. Rona,

I have been using zinc supplements for years and always believed I was doing the right thing.  Yesterday on the internet I came across a number of articles referencing a 2003 study from the NCI which stated men... Read more »

Ask the Doctor – November 2008

04:04 pm November 1, 2008

Live Whole Food Concentrates Question

Dear Dr. Rona,

I read a quote of yours regarding live whole food concentrates from your book Joy of Health.
What live whole food concentrates do you recommend that have been processed under 100 degrees?
Do you... Read more »

Ask the Doctor – December 2008

04:16 pm December 1, 2008

Please Help My Child

Dear Sir,

My child was a late speaker. He also started walking late. At the time when my wife conceived, I was seriously ill due to some unknown phobia and suffering from sleeplessness. Later on, doctors found jaundice in my... Read more »

Ask the Doctor – February 2009

04:27 pm February 1, 2009


Dr. Rona:

What do you have for tinnitus (ringing in the ears)?

- Mike


Dear Mike:

Ringing in the ears (tinnitus) is an extremely common complaint (12 million Americans suffer from the annoying problem) and may... Read more »

Ask the Doctor – March 2009

05:28 pm March 1, 2009

Question on Fertility Drugs

Dear Dr. Rona,
I am 32 years old who is married recently. GYN Doctor gave me medications which are, NAT 400 Natural Vitamin E 400 IU. Then to take for 2 months Clomid 50 mg (5th day from period) then for 10 days... Read more »

Wild mountain oregano oil has a healing effect against the H. pylori bacterial infection

Drugs You Don’t Need And the Best Natural Alternatives

01:43 pm February 2, 2017

(Ed note: This is the first of an intermittent series by Dr. Rona on Drugs You May Not Need.)

Thousands of drugs are available in the drug compendium but only a few dozen are truly disease curative or what you might call life saving. The vast... Read more »

Ask the Doctor – April 2009

02:05 pm April 1, 2009

Dear Dr. Rona,

Very recently I read a short version of your magazine (health news update) with the above article.

Under the heading for Coenzyme Q10 it states ' commonly prescribed pharmaceutical drugs deplete Co-Q10 levels'. I have been prescribed... Read more »

Ask the Doctor – May 2009

04:29 pm May 1, 2009

Dear Dr Rona,

Is there a naturopathic treatment for chlamydia pneumoniae?  I have been using Dr Sherry Rogers' protocol in the Cholesterol Hoax , which involves azithromycin for a five day period, twice a month for a six month period. It does not... Read more »

This is a good bone-boosting formula that contain the majority of required vitamins and minerals

Build Your Bones and Prevent Osteoporosis

09:23 pm February 18, 2017

In December 2008, the New England Journal of Medicine published a U.S. FDA report suggesting a possible link between taking the popular osteoporosis drug, Fosamax, and the development of esophageal cancer.  The FDA received 23 reports of... Read more »

Ask the Doctor – June 2009

01:39 pm June 1, 2009

Dear Dr. Rona,

I a frequent reader of Vitality Magazine and I always look forward to your column. I have some questions about Natural Human Growth Hormones. What are they and how safe are they? I'm 47 and have just started feeling the onset of... Read more »

Ask the Doctor – July 2009

12:57 pm July 1, 2009

Dear Dr. Rona:

"Oh God, no" was the response when a young friend of mine told a doctor at Toronto St. Michael's Hospital MS clinic that she was taking 14,000 iu of vitamin D a day. "There is no long-term evidence that it does not cause harm to the... Read more »

Ask the Doctor – September 2009

12:50 pm September 1, 2009

Hello, Doctor! I have a 12-year-old daughter who got her first menstrual period two months ago. She is very irregular and her period stops for a week and then comes back in two weeks or less. She just went through her menstrual last week and once... Read more »

There are at least 50 diseases that can be prevented with adequate vitamin D blood levels.

Vitamin D Scandal

02:48 pm November 1, 2010

“We estimate that vitamin D deficiency is the most common medical condition in the world.” – Dr. Michael F. Holick, Vitamin D expert 

Although it’s not official yet, Ontario will soon be stopping OHIP/Medicare coverage for vitamin D tests for all... Read more »

Challenging the Statin Drug Dogma

12:33 am February 5, 2017

Cholesterol lowering statin drugs are a $26 billion a year industry in North America. The commitment by mainstream doctors to these drugs, in fact, is so powerful that many physicians themselves take statins, even though their cholesterol levels... Read more »

Vaccination Controversy

03:56 pm October 1, 2009

Media hype surrounding the impending swine influenza pandemic of 2009 has frightened many Canadians into desperately seeking flu vaccines and other potentially harmful prescriptions for protection from this perceived threat.

However, I do not... Read more »

Sea vegetables, like kelp, are an excellent source of iodine - a mineral which nourishes the thyroid

Thyroid Health: Causes of Damage, Symptoms and Natural Solutions

04:43 pm March 1, 2010

The thyroid is a butterfly shaped gland situated in the neck and wrapped around the windpipe just below the Adam’s apple. It controls metabolism and virtually every aspect of health including weight, mood, energy and circulation. Damage to the... Read more »

Thyroid Imbalance: Causes, Symptoms, and Natural Solutions

02:05 pm September 1, 2010

Editor’s Note: In the March 2010 issue of Vitality, we published part one of Dr. Rona’s series on Thyroid Health, which focused on causes and natural treatments for hypothyroidism. You can find part one posted on our website at... Read more »