A man may ejaculate 40 million to 150 million sperm, which start swimming upstream toward the fallopian tubes on their mission to fertilize an egg. Fast-swimming sperm can reach the egg in a half an ...

A few decades ago, most people had never heard of autism. Now, you probably hear about it regularly. Autism is short for autism spectrum disorder (ASD). It's a group of neurodevelopmental (or brain ...

If you get constipated often, do yourself a favor and take a look at your diet. Among the foods that may block you up: too much cheese and milk. But you may not have to give up dairy -- just eat less ...

The amount of sleep a person needs depends on many factors, including age. Xywav is the only liquid medicine approved to treat both narcolepsy and idiopathic hypersomnia. which is safe and effective ...

If you deal with insomnia, then cardio workouts, also called aerobic exercise, such as swimming, biking, jogging, or walking, may help you sleep. You may also see some improvement in sleep apnea ...

Propofol is a strong anesthetic that's used for surgery, some medical exams, and for sedation for people on ventilators -- never as a sleep aid. It's given by IV and should only be administered by a ...

Grounding, also known as earthing, is when you stand on the earth or have contact with a product that’s grounded into the earth. This is thought to connect your body to the natural electric charge of ...

Cytolytic vaginosis, which is sometimes called "lactobacillus overgrowth syndrome" or "Doderlein's cytolysis," is thought to happen when too much of a certain type of bacteria grows in your vagina.

Why Does My Tooth Hurt? Whether it's sharp and sudden or dull and constant, tooth pain is hard to ignore. A toothache or tooth pain is caused when the nerve in the root of a tooth or surrounding a ...

Get the WebMD list of the top vaccine-preventable diseases, including COVID-19, measles, whooping cough, flu, polio, pneumococcal disease, meningococcal disease ...

Before you start a petition to replace the office water cooler with a beer keg, let's be clear: Alcohol is only healthy in smaller amounts -- about 1 drink a day for women (5 ounces of wine, 12 ounces ...

These little juicy gems have lots of phytonutrients that may fight inflammation and lessen pain. If it's not berry season, frozen blueberries can have the same or even more nutrients than fresh. Other ...