"No more so than tuna fish. It's a myth," Dr. Marc Eisenberg, a clinical cardiologist and associate professor of medicine at the Columbia University Medical Center in New York, tells TODAY.com.

Feeling tired can affect your focus, mood, and overall well-being, yet it's something most people experience regularly.

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

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 ...

It’s as reliable as the parades and football matches: Come Thanksgiving, you indulge in your family’s traditional feast before settling in for a much-needed nap. But while many blame the day’s “food ...

Renee Miller is an award-winning fantasy football writer … who also happens to be a neuroscientist. Her weekly survivor picks and “Brain Games” fantasy columns are insightful, unique must-reads. In ...

The legend of tryptophan in turkey having the power to make people sleepy has become almost as famous as the bird's white and dark meat. But does Thanksgiving turkey actually induce drowsiness? "No ...