Health

CNN's Nick Valencia discusses the Moore Medical Center which took a took a direct hit from the monster tornado.

CNN's Holly Firfer gives us the scoop on Greek yogurt and how it compares to other yogurts on store shelves.

Throughout Europe, the nursing profession is rapidly losing its appeal. An aging workforce and dwindling student enrollment in nursing schools are precipitating a looming nursing crisis.

Zach Sobiech, 18, passed away on Monday, surrounded by loved ones. His song, "Clouds," has more than 3 million views on YouTube.

So many cereals out there, and only one breakfast! We help you pick the most nutritious -- and yummiest -- kinds out of the hundreds available.

You probably feel pretty attached to your memories -- they're yours after all. But one conversation with Elizabeth Loftus may shake your confidence about everything you think you remember.

Neuroscientists love Aplysia. They are a type of sea slug that grows to be about a foot long. With only 20,000 nerve cells -- compared with about 100 billion found in the human brain -- Aplysia are the perfect lab animals for brain researchers hoping to isolate a crucial connection.

Dr. Marguerite McDonald has spent years studying ways to help people see better.