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Jay Leno is opening up about how he still makes his wife of 45 years, Mavis Leno, laugh and some of the challenges they've faced as she battles advanced dementia

Jay Leno spoke with TODAY about the challenges of taking care of wife Mavis, who has advanced dementia. He details her needs and whether she remembers him.

Cardiologists on the foods they avoid eating when stuck at the airport during the Thanksgiving travel rush, and which healthy foods to eat instead.

If you test positive for COVID this winter, here's what to do, how long to isolate and how to protect others, according to infectious disease experts.

We all know that ultraprocessed foods aren’t the healthiest choice, but not all ultraprocessed foods have the same impact on our health.

In TODAY.com's Expert Tip of the Day, a therapist explains the biggest roadblock to taking care of oneself and her strategies for making more time for self-care.

When Emma Grede received her dyslexia diagnosis in her late 20s, she remembers it as the “most freeing thing.”

Proprioception is your body’s ability to sense its position and movement in space. It helps improve coordination and balance and reduce risk of falls and injury.

Alzheimer's disease symptoms a Mount Sinai neuropsychologist monitors in her own life include missing periods of time and hearing concern from others.

If there's one nutrient we should aim to get more of, it's probably fiber. And these top two high-fiber seeds are a great way to add more to your diet, RDs say.

A mutated, potentially severe strain of influenza A called H3N2 "subtype K" is spreading worldwide. Experts discuss what to expect in the U.S., symptoms, and whether vaccine still work.

The deep core refers to the muscles behind your abs. While you can't see them, this trainer says they're just as important for posture, pain and safety.

Rebecca Gayheart is opening up about her “super complicated” family dynamic with ex Eric Dane and their daughters in the wake of Dane’s ALS diagnosis.

This piece of fitness equipment may give your abs a killer workout, but only if your core is already in great shape. If not, you could end up with an injury.