Your immune system can get tired with age, but what if aging immune cells could act young again? Researchers are studying a compound that may help T cells renew their power source. And your gut may be able to make it from foods you already know.

You probably know more about your thyroid and adrenals than an odd little gland nestled in the chest called the thymus. Considering research believes it could be key to a lifetime of good health, here’s a much-needed introduction to what it does and why it needs your attention…

Fermented foods have a healthy reputation. But if you’re stuck on yogurt, it’s time to break out of the mold. The Korean dish kimchi is gaining a reputation as an immune system “precision regulator.” Here’s why…

It’s no secret why cold and flu season go hand-in-hand with the dark days of fall and winter. Luckily, scientists have discovered an easy way to bio-hack the ‘viral vitamin’ we need most this time of year…

Hormone replacement therapy has largely shed its bad reputation, given the heart, bone and brain health benefits revealed in recent years. New evidence shows it could shore up another system critical to keeping women well…

There are lots of supplements that support gut health and fight disease-causing inflammation. But a perfect pair that produces a crucial short-chain fatty acid essential to healthy aging may be the most potent anti-inflammatory to do the job…