CNN Health

Hydrating foods can help you quench your thirst. See 15 super hydrating foods to add to your diet.

The water crisis in Flint, Michigan, may have you asking, "Does my home's water contain lead?"

Every week, I get unsolicited email ads from airlines, Nigerian widows -- and now biotech companies selling gene editing services. I usually just reflexively delete the biotech emails along with most of the others, giving them little thought. That was until last week, when British researchers made a momentous announcement: A British regulatory agency has given them permission to begin altering genes in human embryos.

Lucy, a cross between a Labrador retriever and an Irish water spaniel, failed miserably at guide dog school. As she was curious and easily excitable, random scents distracted Lucy from her master's path, and it wasn't long before she was unceremoniously kicked out.

Whether you are rocking out to Macklemore & Ryan Lewis in your car or reading with Bach in your bedroom, music has a special ability to pump us up or calm us down.

It's a mantra repeated by doctors all over the world: There is no safe amount of lead.

If there's anything both sides of America's heated and polarizing gun debate may agree on, it's the need to keep firearms out of the hands of people with serious mental illness.

The chances you'll die from heart disease are good -- too good.

Some people just ooze happiness: They always seem to be smiling and having fun, and let negative emotions and experiences roll off their backs. But if you think there's no way you could possibly ever be that way, you're wrong. Science proves that you do have the power to change your outlook on life. And it isn't hard, either: Most of the tips that follow are as simple as cracking a smile once in a while (yes, that's one of the tips). Here's to a happier you!

Christine Carugati, 18, of Langhorne, Pennyslvania started getting recruited to play college lacrosse the summer after the ninth grade. You heard that right -- when she just finished her freshman year in high school.

More than 219 million viewers have logged on to watch a 16-second clip of a sneezing baby panda scare its mom. At a minimum, that's 58 million minutes, or 111 years, spent watching this viral sensation.

Your six-pack abs may actually benefit if you share a six pack with your friends. Beer, or any alcohol for that matter, when consumed in moderation, may be a brilliant motivator to keep people working out. Scientists still need to do more research as to exactly what the connection is, but several studies have found that people who drink moderately tend to exercise more than abstainers.

Ever since new meal standards went into effect in schools across the United States in 2012, experts have worried that the changes would result in fewer students eating school lunches. A new study of a Washington state school district suggests this has not been the case.

From the outside, the human brain might not be much to look at. What makes it fascinating is hidden within, in the complicated circuitry of neurons that makes you who you are.

Our brains on multitasking aren't nearly as good as we think they are. Let's say you're working on an activity over here, on the right side of the brain, and suddenly you're trying to multitask another activity, like talking on the phone.

On December 24, so the old story goes, Santa Claus and his magical reindeer fly down from the North Pole with a toy-filled sleigh to leave gifts beneath the Christmas trees of good little children.

Samantha Gattsek's family has never made a big deal out of holiday celebrations. But this year, she feels especially disconnected from the seasonal cheer surrounding her.

Ahmadu Kanduwa's home is just two kilometers away from the local clinic in Nigeria's northern Sumaila district -- two kilometers from the vaccine that could have prevented his son, Isa, from contradicting polio more than a year ago. It's something Kanduwa thinks about often.

As director of the Centers for Disease Control, Dr. Tom Frieden has tweeted and talked about everything from AIDS to obesity to mosquitoes in Hawaii, the overuse of antibiotics, polio in Pakistan, Ebola, sanitation services in East Africa, ambulances in Sierra Leone, premature babies, sexually transmitted diseases, flu shots and World Toilet Day.

Anyone who was even remotely plugged into pop culture in the 1990s can recall the Jennifer Aniston hairstyle. And who doesn't associate Anna Wintour, editor of Vogue magazine, with her signature bob.