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 ...

Deep vein thrombosis (DVT), which is a blood clot that develops in a deep vein, can cause pain, warmth, swelling, or redness (often in your calf muscle) that doesn’t go away. A DVT can be hard to ...

Medically Reviewed by Jabeen Begum, MD on March 09, 2024 ...

When you scrape your knee, break a bone, or cut yourself, the body is able to heal itself. But that’s not the case with certain conditions, like diabetes or heart disease. Regenerative medicine, a ...

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 ...

Your toe is red, swollen, and sore. Could it be infected? Toe infections are common -- especially in people with diabetes or a weakened immune system. Knowing what caused your infection can help you ...

Your body needs protein to stay healthy and work the way it should. More than 10,000 types are found in everything from your organs to your muscles and tissues to your bones, skin, and hair. Protein ...

Being overly thirsty and having blurred vision are two signs of diabetes. Burnout may raise your chances of type 2 diabetes. If you're showing these or other symptoms of diabetes -- and you're having ...

Fatigue is a common effect of low testosterone. You might feel like you just don't have the energy that you're used to. Or you might be incredibly tired. But many other things can sap your energy, too ...

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 ...