Justin Bieber and Dianne Feinstein got shingles. What causes it?
A million Americans a year get shingles, a painful and sometimes debilitating condition that can last for weeks or months. Here's what to know.
U.S. to ease blood donation ban on gay men
The planned relaxation of restrictions follows years of pressure to abandon rules some experts say are outdated, homophobic and ineffective.
Centenarians are on the rise. Here’s what’s keeping them alive so long
While genetics play a large role in healthy aging, other factors can influence your chances of living a very long life.
Do you have RSV, flu or COVID? How to find out and treat 'the crud'
Four infectious-disease experts answer questions about the outbreak of respiratory illnesses, symptoms and treatments.
Can a daily crossword puzzle slow cognitive decline?
The research offers hope that those with mild cognitive impairment may be able to stave off further declines in memory, language and decision-making.
9 tips to debunk false claims made by friends and family
Even when a source of information is known to be unreliable, research shows, many people will start to believe a claim if it is repeated...
Millions of Americans get concussions. Here's what to know
Experts say concussions are an all-too-common injury in everyday life. Here's a Q&A about something experts want us to take seriously.
Have you been taking pills wrong? Here’s what science says
Researchers have found whether you're standing upright or leaning could affect how fast the contents of a pill are absorbed into your body.