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Over-the-counter melatonin (“anti-gonad hormone”) supplements tend not to contain what they say they do, and the contaminants could be dangerous.
Use cheat sheets to figure out exactly when and how to treat jet lag using light exposure and light avoidance at specific times of the day, based on which direction you’re going and how many time zones you cross.
Sun exposure is associated with lower rates of 15 different cancers and improved cancer survival. What happened when vitamin D supplements were put to the test?
We don’t have to choose between the lesser of two evils: skin cancer versus internal cancers from vitamin D deficiency.
If one is going to make an evolutionary argument for what a “natural” vitamin D level may be, how about getting vitamin D in the way nature intended—that is, from the sun instead of supplements?
Why do some recommend thousands of units of supplemental vitamin D when the Institute of Medicine set the recommended daily intake at just 600 to 800 units?
The safe dose of vitamin D supplementation to get most of the population to the optimal level is 2,000 IU a day, but the elderly and overweight may need more.
What do 56 randomized clinical trials involving nearly 100,000 people between the ages of 18 and 107 show vitamin D can do to our lifespan?
Those with higher vitamin D levels tend to have lower rates of obesity, diabetes, and hypertension, but is it cause and effect? Interventional trials finally put vitamin D to the test.
The myth that plant proteins are incomplete, necessitating protein combining, was debunked by the scientific nutrition community decades ago.
