US scientists have identified two genes responsible for macular degeneration, the gradual deterioration of eyesight in the elderly that can lead to blindness, a study showed this week.The research published 24 April 2007, in the Journal of the American Medical Association also showed that smoking and being overweight carry a strong risk of the condition, in which the central part of the eye's retina degenerates.
Video Ad Feedback
Your brain on déjà vu
Ever experienced déjà vu? CNN's Sanjay Gupta explains what's happening in your brain when it occurs.
02:08 - Source: CNN
Your Health 16 videos
US scientists have identified two genes responsible for macular degeneration, the gradual deterioration of eyesight in the elderly that can lead to blindness, a study showed this week.The research published 24 April 2007, in the Journal of the American Medical Association also showed that smoking and being overweight carry a strong risk of the condition, in which the central part of the eye's retina degenerates.
Video Ad Feedback
Your brain on déjà vu
02:08
Now playing
- Source: CNN
Opill Perrigo Company thumb vpx
Video Ad Feedback
Here's where to find the first approved over-the-counter oral contraceptive
02:11
Now playing
- Source: CNN
lbb ultra thumb 05
Video Ad Feedback
Watch a nutritionist explain the food labels behind three everyday foods
02:00
Now playing
- Source: CNN
SPLIT ozempic money thumbnail
Video Ad Feedback
Drugs like Ozempic may transform industries we're not even thinking about
03:29
Now playing
- Source: CNN
SALT LAKE CITY, UT - APRIL 26: In this photo illustration a 10 pack and one dose bottles of measles, mumps and rubella virus vaccine, made by MERCK, sits on a counter at the Salt Lake County Health Department on April 26, 2019 in Salt Lake City, Utah. (Photo Illustration by George Frey/Getty Images)
Video Ad Feedback
How to check if you've been vaccinated for measles as cases appear in US
01:47
Now playing
- Source: CNN
Close up view of glass with drink that is holding by man's hand. In the bar.
Video Ad Feedback
'I know that isn't what people want to hear': Dr. Gupta weighs in on 'dry January'
03:18
Now playing
- Source: CNN
alzheimers blood test pkg 01
Video Ad Feedback
A new potential Alzheimer's test can find symptoms before they begin to show
02:44
Now playing
- Source: CNN
Dr. Nia Heard-Garris / Victor Blackwell 1.20
Video Ad Feedback
Research finds minority children face disparities in health care
03:25
Now playing
- Source: CNN
Strahan Cancer Thumb 03
Video Ad Feedback
Michael Strahan and his daughter disclose her brain cancer battle
02:07
Now playing
- Source: CNN
baby transplant vpx
Video Ad Feedback
18-day-old baby undergoes first partial heart transplant
02:37
Now playing
- Source: CNN
video mom legs amputated kidney stone
Video Ad Feedback
Mom wakes up after kidney stone procedure with her legs amputated
02:11
Now playing
- Source: Lex 18
Travis Paulson looks at NovoRapid (Canada) and NovoLog (US), a replacement insulin drug at his house on January 16, 2020 in Eveleth, Minnesota.
Video Ad Feedback
Major drug companies massively cut insulin prices. Hear why
02:00
Now playing
- Source: CNN
hero journey club thumbnail
Video Ad Feedback
'Crush depression with Minecraft' is the promise of this digital mental health company
03:22
Now playing
- Source: CNN
Gupta poison control spike
Video Ad Feedback
Poison control centers see 1,500% spike in these type of calls
02:59
Now playing
- Source: CNN
02 patient doctor STOCK
Video Ad Feedback
Over half of Black patients expect to be insulted by medical professionals, study shows
02:27
Now playing
- Source: CNN
01 Kelsey Hatcher
Video Ad Feedback
'What are the odds?': She's pregnant with twins, but they don't share a womb
02:05
Now playing
- Source: CNN