27 July 2014, 12:24 AM ET
When AIDS first emerged in the early 1980s, HIV infection was a death sentence. But a global effort has ensured this is no longer the case for a growing number of people.
26 July 2014, 03:39 AM ET
You may have never heard of ractopamine, but it's common in American pork.
26 July 2014, 03:06 AM ET
After a concussion, kids may need substantial time to heal before returning to school.
25 July 2014, 05:15 PM ET
Women who think more about their own physical sensations during sex have an easier time reaching orgasm than women whose minds on other things, new research finds.
25 July 2014, 04:58 PM ET
Only a small fraction of the smartphone health apps that are out there have been reviewed by FDA.
25 July 2014, 04:00 PM ET
Though infections caused by a marine bacterium are more common in the summer months, people can avoid becoming seriously ill by avoiding undercooked shellfish and not swimming with open wounds.
25 July 2014, 02:21 PM ET
The idea that we use only 10% of our brains seems pervasive, and is on display again in a new movie. However, it's just not true.
25 July 2014, 12:55 PM ET
As summer heats up, you may be looking for ways to avoid the heat, beyond the common advice of drinking water and staying inside during the hottest parts of the day. Here are seven science-based tips for staying cool.
25 July 2014, 03:00 AM ET
Traveling or getting sick could change the makeup of the bacteria living in your gut. But how much of a person's life story could be told by tracking such bacterial changes?
25 July 2014, 02:33 AM ET
Chinese authorities have lifted a nine-day quarantine on a town in the country’s northwest that saw a resident die of the plague. The victim is thought to have caught the disease from a dead marmot, which he fed to his dog
25 July 2014, 01:56 AM ET
Experiencing sound, through sight.
24 July 2014, 07:43 PM ET
Young men in the U.S. military are more likely to have erectile dysfunction than their civilian counterparts, but few military men get treatment, according to a new study.
24 July 2014, 06:58 PM ET
About a third of parents of obese children in a new study said they didn't see their child's weight as a health problem, a new study suggests.
24 July 2014, 05:07 PM ET
Testosterone is a male sex hormone that is important for sexual and reproductive development.
24 July 2014, 04:47 PM ET
A new virus that lives in the gut has just been discovered, and to the surprise of scientists, can be found in about half the world's population, according to a new study.
24 July 2014, 04:29 PM ET
Sudden infant death syndrome (SIDS), sometimes called crib death, is the sudden and unexpected death of a child under 1 year old that cannot be explained by other causes.
24 July 2014, 04:00 PM ET
A forensic archaeologist unexpectedly found the oldest medical description of a near-death experience in a book from 18th century.
24 July 2014, 01:41 PM ET
Monkeys living in the forests around the city of Fukushima in Japan show lower blood cell counts than monkeys from northern Japan, and have detectable levels of cesium in their bodies, a new study reports.
24 July 2014, 01:00 PM ET
Even though the human papillomavirus (HPV) vaccine can protect against HPV infections as well as cancers later in life, the number of teenage girls and boys in the United States who have received the vaccine remains "unacceptably low," the CDC says.
24 July 2014, 10:22 AM ET
Sleep deprivation could raise the risk of developing false memories, a new study finds.
23 July 2014, 06:30 PM ET
Acetaminophen, the drug found in Tylenol, works no better than a placebo at reducing pain in people with sudden lower-back pain, nor did it help these patients get better faster, a new study finds.
23 July 2014, 06:16 PM ET
People who need organ transplants may die while waiting receive them, and so researchers are looking for ways to produce organs that don't require a donor.
23 July 2014, 05:16 PM ET
THC is the main mind-altering ingredient found in the Cannabis plant.
23 July 2014, 04:50 PM ET
The doctor leading the response to the Ebola outbreak in Sierra Leone has been infected with the highly lethal virus, according to news reports.
23 July 2014, 04:37 PM ET
"Shin splints" refer to pain in the lower leg due to overworked and stressed muscles and bones.
23 July 2014, 03:27 PM ET
A group of people in the Amazon who had been living without any contact to the outside world suffered an outbreak of the flu after fleeing attacks on t, Brazilian authorities say.
23 July 2014, 02:53 PM ET
The age at which girls reach puberty is influenced by a set of genes that were previously only known to be involved in the development of a fetus before birth, according to a new study.
23 July 2014, 01:18 PM ET
5 Turkish siblings, with very rare Uner Tan Syndrome (UTS), walk in lateral quadrupedal motion. Apes and all other primates use a diagonal limb-fall pattern.
Credit: Shapiro LJ, Cole WG, Young JW, Raichlen DA, Robinson SR, et al.
23 July 2014, 10:59 AM ET
Scientists are looking into cat poop to explore whether a microscopic organism that lives in there could be modified and used as a cancer treatment.
23 July 2014, 10:22 AM ET
Women taking higher doses of estrogen in their birth control pills may place more importance on other women's appearance, a new study finds.
23 July 2014, 08:38 AM ET
Women undergoing in vitro fertilization (IVF) may be able to cut down on their trips to the doctor, thanks to a technology that allows them to perform vaginal ultrasounds at home.
23 July 2014, 03:51 AM ET
Most children and teens who are overweight think that they are actually the right weight, a new study from the Centers for Disease Control and Prevention finds.