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 any of your patients to ascertain if there has, in fact, been […]

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 ( www.northumberlandkids.com ) and like to include articles that promote a holistic way of life. In […]

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.  He told me that I should just forget […]

I’ve seen the designation D.N.M after certain practitioners advertising in Vitality. I know that it stands for Doctor of Natural Medicine, and I know that isn’t the same as an ND, or Naturopathic Doctor. Can you explain exactly what the differences are? Molly Wright, Toronto Editor’s Note: This is an understandable confusion. Because some practitioners […]