A new study adds to the evidence that sleep deprivation has a significant effect on our day-to-day functioning. The authors warn that if we have slept poorly overnight, we are twice as likely to commit errors, some of which may well be very costly. Share on…

“You won’t be able to weightlift anymore.” That’s what my orthopedic surgeon told me when we sat down to discuss getting a total shoulder replacement, something that seemed necessary to relieve my shoulder pain and arthritis. Share on PinterestI refused to a…

Ayahuasca is a psychoactive brew that people from the Amazonian regions traditionally use as a spiritual medicine. This brew reportedly induces strong hallucinations, but what, exactly, does it do to the brain? Share on PinterestHow does the main active ing…

A large new study has examined the effects of vitamin D on a diverse group of adults and found no evidence that this supplement can prevent type 2 diabetes. Vitamin D is an essential vitamin; it builds and maintains healthy bones. Our bodies produce vitamin…