Michiko Tomioka is a nutritionist from Japan, home to some of the world's longest-living people. She shares the five fruits ...

There is nothing quite like enjoying some fun in the sun to provide your body with some much-needed vitamin D.

Countless ads might lead you to believe you need immunity-strengthening supplements; immunologists swear by something else.

As cold and flu season approaches, you may be looking for ways to stay well. Your immune system is your body’s frontline ...

Vitamin D supplements work best when consumed with fat. Dr. Sudhir Kumar advises taking Vitamin D after your largest meal. This ensures better absorpt ...

Gut health must be a priority for every person because the gut houses 80% of the immune system and the trillions of microbes present in it aid in digestion, nutrient absorption, regulate blood sugar ...

The short answer: nothing. “That’s a pseudoscience term,” says Laura Purdy, MD, MBA, founder and CEO of Swell Medical.

Did you know that your skin has its own immune system, and helping it function properly can keep you healthy this winter?

Temperatures are chilly, days are shorter, and it's that time of year that everyone tries to avoid getting sick. In fact, ...

"Vitamin D is absolutely vital in winter, when we don’t get enough sunlight to make it ourselves, supporting immune and bone ...

It's challenging to reduce sugar intake, but it can help support your immune system. Doctors shared their top tips for ...

If omega-3s are playing lead guitar in your longevity band, then vitamin D is undoubtedly on lead vocals. This humble hormone ...