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A breakthrough in gene therapy has allowed a young boy to experience the sensation of sound for the first time in his life. CNN's Danny Freeman reports.

Primary Care Physician and Public Heath Specialist Dr. Saju Matthews explains to CNN's Fredricka Whitfield how the measles virus came back into the US after being eliminated and how people can check if they were vaccinated.

Despite your best efforts to store produce properly, some foods seem destined for the trash before you know it. But what if, with the help of science, you could make them last a little longer and cut waste?

Dr. Sanjay Gupta looks at how the medical consensus on alcohol has changed over the years and what medical experts are saying about the effects of alcohol today.

Walking offers many health benefits, but proper form is key. Mobility coach Dana Santas offers tips on how to correct some of the most common mistakes.

CNN's Jake Tapper speaks with Dr. Uché Blackstock.

Read CNN's Fast Facts on Alzheimer's disease, a progressive brain disorder that leads to loss of memory and other intellectual abilities.

A new study suggests a blood test could diagnose Alzheimer's disease with "high accuracy," which could one day be more accessible than current testing methods. CNN's Brian Todd has more.

A new study suggests a simple blood test could help early detection of Alzheimer's, before a person knows they have it. Will advanced detection help?

CNN's Victor Blackwell talks to pediatrician and Northwestern University researcher Dr. Nia Heard-Garris about a study she participated in which showed minority children face disparities in health care.

New stats show the mortality rate is going down, but cancer increasing among younger, middle aged patients. Key to surviving: screening and detection.

Dr. Sanjay Gupta speaks with obesity expert Dr. Fatima Cody Stanford on what makes a "healthy weight," and why you can't make assumptions about somebody's health based on their weight alone.

If you can't afford, don't have or are cutting back on indoor heating, here are 25 ways to stay warm this winter — with or without indoor heating — on a budget.

Mobility coach Dana Santas has shown CNN's audience dozens of exercises and workouts over the past several years, but this is the one exercise she would ask everyone, regardless of fitness level, to do on a daily basis to prevent chronic pain.

Frostbite is dangerous and can often happen quickly, depending on both the temperature and wind chill factor. Here's how to know if it's frostbite and how to treat it.

You've squeezed and pinched and still gotten a bad avocado. When you grow up eating Mediterranean food, you learn the secret to picking a ripe one. On that, New York Times bestselling author, Suzy Karadsheh, has a very special tip to share.