Results for: vitamins
US Preventive Services Task Force Recommends Against Multivitamins
An updated review of the evidence reinforces that routine vitamin use is mostly worthless.
Vitamins are not for vaping
Vaping vitamins is a bad idea.
Multivitamins and Vascular Disease
Yet another massive meta-analysis shows no health benefit to routine supplementation with vitamins or minerals.
Macular Degeneration, Genes, and Grandma’s Vitamins: To test or not to test?
Is genetic testing necessary to optimize treatment for patients with a potentially blinding eye disease? The stakes are high and the answer depends on which of the two feuding, financially-conflicted groups you believe. In the end, the best evidence wins!
Prenatal Multivitamins and Iron: Not Evidence-Based
When I was pregnant, I obediently took the iron pills and prenatal vitamins prescribed by my obstetrician. And I prescribed them for every pregnant patient I took care of as a family physician. I never questioned the practice. It seemed intuitively obvious that it was a good thing; we know pregnancy makes extra nutritional demands and depletes iron stores. It never occurred...
Vitamins and Cancer Risk
Vitamins have been promoted as a general panacea, as well as a means of preventing cancer. In reality, high doses of vitamins may even cause cancer.
Naturopathy vs. Science: Prenatal Vitamins
This is another post in the naturopathy versus science series, where a naturopath’s medical advice is assessed against the scientific evidence. Today’s topic is brought to you by Toronto naturopath Shawna Darou, who recently published her evaluation of prenatal vitamins. Vitamin supplementation is unnecessary for the vast majority of people. You wouldn’t know this walking through a drug store, where you’ll usually...
Do vitamins prevent cancer and heart disease?
The US Preventive Services Task Force has released an update on vitamin and mineral supplements to prevent heart disease and cancer. The evidence was not good and did not support taking vitamins as "nutritional insurance."
Vitamins and Mortality
The discovery of various vitamins – essential micronutrients that cause disease when deficient – was one of the great advances of modern scientific medicine. This knowledge also led to several highly successful public health campaigns, such as vitamin-D supplementation to prevent rickets. Today vitamins have a deserved reputation for being an important part of overall health. However, their reputation has gone beyond...
Autism and Prenatal Vitamins
Science has found no evidence that vaccines cause autism; but the true cause(s) of autism have not yet been determined. So far the available evidence has pointed towards a largely genetic cause with possible interaction with environmental factors. A new study supports that interpretation. It also supports previous evidence that autism is triggered prior to birth, rather than at the time of...