31 July 2015, 12:30 AM ET
An ectopic pregnancy occurs when a fertilized egg implants outside of the uterus or not within the uterine cavity.
30 July 2015, 11:45 PM ET
Vaccines have been used safely and effectively for decades. So why is the American public – or at least a significant segment of it – now increasingly skeptical of mandatory school vaccinations?
30 July 2015, 06:53 PM ET
An infographic that breaks down what happens to in your body after you drinking just one soda has gone viral, but health experts say some information in the graphic is exaggerated.
30 July 2015, 06:11 PM ET
You may be consuming more sugar than you think.
30 July 2015, 03:39 PM ET
Marijuana may help bone fractures heal, a new study in animal suggests.
30 July 2015, 03:11 PM ET
The days of using pen and paper to keep track of menstrual cycles are past -- apps for period tracking have proliferated. Here are our picks for the best period-tracking apps.
30 July 2015, 01:24 PM ET
About one in every five Americans reports having a disability, according to results from a new nationwide survey.
30 July 2015, 01:57 AM ET
Vitamin B7, also called biotin, is a vital part of a healthy metabolism and creating important enzymes.
30 July 2015, 01:40 AM ET
Almond milk is a drink made from water and ground almonds. It is a popular plant-based alternative to cow’s milk.
29 July 2015, 04:00 PM ET
People who increase their salt intake significantly are at higher risk of developing high blood pressure, a large Japanese study finds.
29 July 2015, 08:12 AM ET
Certain types of vaccines, that allow vaccinated individuals to spread disease, could lead to deadlier viruses, new evidence in chickens shows.
28 July 2015, 08:17 AM ET
Why does the world need two kinds of Diet Pepsi?
27 July 2015, 04:27 PM ET
Leprosy is often thought to be an ancient disease, but leprosy-causing bacteria continue to infect people in the southern United States, including in Florida, where nine people have been diagnosed with the disease so far this year.
27 July 2015, 11:36 AM ET
For the first time, scientists have injected lasers into cells, making them light up from the inside, an advance that could one day help treat problems inside the human body such as cancer, researchers say.
24 July 2015, 08:30 AM ET
Have you ever toked up? Sparked a spliff? Smoked weed? If you have, you're not alone — 44 percent of all Americans surveyed in a new Gallup poll say they've tried marijuana.
23 July 2015, 04:10 PM ET
Caitlyn Jenner's public transition from man to woman has raised awareness about hormone therapy for transgender people. What makes transgender youth identify with a gender they weren't assigned at birth isn't about having too many of the "wrong" hormones.
23 July 2015, 01:00 PM ET
A teenager in Colorado died after consuming an entire marijuana cookie that contained 6 servings of marijuana's active ingredient, tetrahydrocannabinol (THC), according to a new report.
23 July 2015, 11:08 AM ET
The MH17 crash temporarily increased depression symptoms among pregnant women in the Netherlands, where many of the plane's passengers lived.
23 July 2015, 02:22 AM ET
Bacteria are microscopic single-celled organisms that can be helpful, such as those that live in our guts, or harmful, such as flesh-eating bacteria.
23 July 2015, 02:10 AM ET
Vitamin B5, also called pantothenic acid and pantothenate, is vital to living a healthy life. Like all B vitamins, it helps the body turn food into energy.
22 July 2015, 03:06 PM ET
A mountain biker in New Mexico was lucky not to sustain a serious injury after he fell off his bike and had a wooden branch penetrate his neck, his doctors say.
22 July 2015, 02:00 PM ET
Antibiotic-resistant bacteria may be tougher superbugs than previously thought: Not only are these bacteria harder to treat, they appear to be "fitter" in general.
22 July 2015, 01:21 PM ET
Eyedrops can shrink cataracts in dogs, which may prove a first step toward a drug that can treat or even prevent cataracts in human eyes, researchers say.
22 July 2015, 12:10 PM ET
West Coasters watch out: You might be at greater risk of contracting West Nile virus than those in wetter parts of the U.S.
22 July 2015, 08:05 AM ET
The percentage of teen girls who use emergency contraception, sometimes referred to as the "morning-after pill," has increased considerably over the last decade, according to a new report.
22 July 2015, 02:23 AM ET
Almonds, the most popular nut in the United States, is full of nutrients and may promote heart healthiness.
21 July 2015, 12:22 PM ET
Animal testing of a new flu vaccine finds that the cocktail protects against influenza strains not included in the original mix. Clinical trials could begin in about a year, the researchers say.
21 July 2015, 11:48 AM ET
Elderly women are more likely than elderly men to develop Alzheimer's disease, even when they are exposed to some of the same risk factors, two new studies find.
21 July 2015, 06:00 AM ET
Men may gain a few pounds after they become fathers, while their childless counterparts actually lose weight in early adulthood, according to a new study.
20 July 2015, 10:52 PM ET
Tramadol is a prescription medication used to treat pain.
20 July 2015, 03:51 PM ET
Many people with chronic pain aren't telling their primary doctors about their use of alternative therapies such as acupuncture and chiropractic work, a new study suggests.
20 July 2015, 11:54 AM ET
Small, discreet and Bluetooth-enabled, the new generation of hearing aids look more like something out of a spy movie than a doctor's office.