Vitamin D has been widely touted as beneficial for preventing cancer and cardiovascular disease. A large, well-conducted clinical trial now show that it has no effect.
A judge in the Canadian province of New Brunswick has ruled that alternative-to-medicine practitioners knows as naturopaths cannot claim that they are "medically trained" or that they offer "family practice".
Is gout a consequence of lifestyle choices? Or is it mainly genetics?
Can your genes really predict how you will metabolize certain medications? The FDA has approved the first direct-to-consumer test that claims to do this. How meaningful are the findings?
IgG food intolerance testing is ineffective, yet it continues to be promoted to consumers. CBC Marketplace recently investigated two Canadian companies that sell these tests.
Consumers spend billions each year on herbal remedies, with little to show for it.
Supplements are a billion-dollar business, but quality control is questionable. A new study shows that supplements may be adulterated with unlabelled prescription drugs.
You can vaccinate your dog against Lyme disease, but there's no vaccine for humans. Why?
Dry eyes? Despite guidelines that recommend fish oil consumption, a new trial demonstrate that they are not effective.
Homeopathy from King Bio may contain an unlabelled ingredient: Bacterial contamination.