"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Hair loss is a normal part of life. We shed anywhere from 50 to 100 hairs a day, and shifts in seasons, ...

But cortisol levels can be impacted by a range of things, including illness, fever, sleep deprivation, inflammation, ...

I'm pretty consistent when it comes to taking my B12 vitamins — having energy is a must when you have a toddler. And thanks to my love of fruits and veggies, I'm definitely not slacking on vitamin C ...

What is cortisol, and how is it related to stress? Cortisol is often called the "stress hormone" and is released by the adrenal glands -- part of the hypothalamic-pituitary-adrenal axis, a bodily ...