The researchers also found that caffeine did not affect how the participants perceived their appetites, and that body mass index (BMI — an estimate of body fat based on height and weight) had no effect on how caffeine affected appetite or how much people ate.
Prescribing of opioids remains high largely because of a medical culture that evolved over many years, said study lead researcher Molly Moore Jeffery, a health economist at the Mayo Clinic, in Rochester, Minn.
Dehydration has long been known to slow physical performance. Now there’s evidence that too little water can hurt cognitive performance, too, making complex thinking tasks harder.
The chance of catching Lyme disease from an individual tick ranges from zero to roughly 50 percent. Three factors matter: the tick species, where it came from and how long the tick was feeding.
Tess Henry with her rescue dogs, in a photo taken by her mother. Ms. Henry was the subject of a recent Sunday Review essay, which generated over 400 reader comments.
For most healthy people, cycling, gardening and playing sports can lead to a healthier heart and a reduced risk of first heart attack or heart attack recurrence, even in a polluted city, a 20-year-study has found.
When you go to the doctor in pain, you’ll probably be asked to rate your discomfort on a scale of 0 to 10. But doctors say there may be a better way to assess pain.
Hot weather can influence cognitive performance, according to new research. Young adults living in non-air-conditioned dorms during a heat wave performed worse on math and attention tests.