While childhood obesity has become more common in recent years, this is a condition that is about more than just weight.

From fat cells that stretch like spandex to more flexible muscles, scientists are finding that women’s bodies are just as ...

Muscle tends to come back faster the second time because when you’ve built it once, your muscle fibers retain extra myonuclei ...

Being a good sport doesn't always come naturally; it's a skill that takes effort and practice to learn. As parents and ...

Five days into her ear infection prescription, Victoria Abotorabi began waking up in the night with heart palpitations and numbness in her hands ...

Eggs offer an impressive nutritional profile overall, but the best time to eat them can vary based on your health goals. Learn more.

Turn your walk into a better workout, build strength without weights and more exercise advice for the year ahead.

Chase raises awareness not just through his hair donation, but through his alter ego as “the Breast Cancer Ninja.” He has ...

Building muscle depends on several factors and isn't something that'll happen overnight after just one workout.

Juggling motherhood often means putting yourself last — but once you hit 50, your body starts gently (and sometimes not so ...

If your New Year's resolution is to start resistance training, Life Kit is here to help. Sign up for our Guide to Building ...