N.I.H. researchers found notable differences between the immune systems and other physiological functions of patients with ME/CFS and those of healthy patients.
Why some older people who have given up looking for romantic love say they feel self-assured and satisfied on their own.
The ruling raises worrisome legal issues for would-be parents far beyond Alabama whose hopes for children may depend on in vitro fertilization.
Poor sleep can make anxiety, depression and other mental health issues worse. Here’s what to do about it.
A society in which members of different generations do not interact “is a dangerous experiment,” said one researcher.
Thousands of people each year partake in the 75-day program meant to build “mental toughness,” according to its creator, but health experts caution the program may be too rigid and intense.