Funnily enough, considering its many purported benefits, vitamin C (ascorbic acid) is one of the vitamins that doctors are least likely to prescribe to patients. Vitamin A is given to all small children in many countries, as is vitamin D. Vitamin D is of course also frequently prescribed to patients with osteoporosis. Vitamin B1 (thiamin) is regularly given to alcoholics, to prevent Wernicke-Korsakoff disease. B3 … Read more
I’ve previously written about the ability of vitamin C and vitamin D to protect against respiratory infections. Vitamin C has been found to shorten the duration of respiratory infections slightly, although it needs to be taken continuously throughout the year in order for there to be any benefit. Vitamin D has been found to shorten the frequency of respiratory infections, by a small … Read more
Two randomized controlled trials have been published in the recent past, one last year, and the other just a few months back, that look at the effectiveness of curcumin as a treatment for knee pain, and more specifically for knee pain induced by osteoarthritis.
A systematic review published in Canadian Family Physician in March found that the medications most commonly prescribed at present are often … Read more
In 1970, two time Nobel prize winner Linus Pauling published a book called “Vitamin C and the common cold”. In it he argued that large supplemental doses of vitamin C could be used to decrease the length and severity of colds. This was the beginning of decades of controversy surrounding vitamin C (a.k.a. ascorbic acid) and its role in preventing respiratory infections, and resulted in … Read more
A new article has just been published in the Journal of Steroid Biochemistry and Molecular Biology looking to see if an oral vitamin D supplement can be used to cure covid-19. Considering that vitamin D is cheap, widely available, and safe, it would be pretty miraculous if that turned out to be the case.
The article describes a randomized controlled trial that was carried out … Read more
A new study has just been published in JAMA (the Journal of the American Medical Association) that seeks to answer this question definitively. This subject has been somewhat controversial, because observational studies have tended to show a positive effect, while randomised clinical trials have failed to show any effect. Usually you would trust the trial data more than the observational data, but these trials were … Read more