With the holidays rapidly approaching, many of us are looking forward to big meals, fall festivities, and copious amounts of turkey. But as soon as the plates are cleared and the last slice of pumpkin ...

Yawning woman pours coffee into a cup - Jamie Grill/Getty Images For some people, it's simply impossible to feel awake and ready to tackle the day without that morning cup (or two, or three) of coffee ...

Have you ever grabbed a cup of coffee to fight off fatigue—only to feel even sleepier afterward? If you’ve asked yourself, “Why am I sleepy after coffee?” you’re not alone. Many people experience ...

BOSTON - Dr. Mallika Marshall is answering your latest health questions. If you have a question, email her or message her on Facebook or X (formerly known as Twitter). Viewer Ellen writes, "Friends ...

Do you believe in the holiday food coma? Many people do. A mainstay on the dinner table at this time of year, turkey contains tryptophan, which is widely believed to be responsible for the ...

Sign up for Life Kit's Guide to Better Sleep, a limited-run newsletter series. Over the course of a week, we'll send you science-backed strategies to help you sleep ...