Health A-Z Videos

Sjogren's syndrome is an immune disorder that causes your eyes, mouth, and other parts of your body get dried out.

Hand dryers have gotten a bad reputation after studies revealed how many germs they can spread. Should you be worried about hand dryers if you have a weak immune system?

An abscess is a pocket of pus that appears red and is usually caused by an infection. What raises your chances of getting an abscess, and how can you avoid them?

There are several different types of anemia, and the symptoms can vary, depending on which kind you have. If your anemia is mild, you may not notice any changes.

Anemia is a condition that develops when your blood lacks enough healthy red blood cells to carry oxygen to your body's cells

Bacterial and viral infections are spread through coughing, sneezing, kissing, pets, contaminated water, food, and many other ways.

At different ages you may need important screening tests that can spot diseases early. You might also need vaccines.

Forget ammonia-based cleaners. These 5 non-toxic ingredients fight odor and disinfect household surfaces.

Drone delivery may be a game changer for remote health clinics without access to supplies.

Two fathers share their incredible story of living organ donor surgery to help their daughter recover from a genetic condition that can cause liver disease and failure.

C. difficile is a bacteria that causes a colon infection. What are common symptoms and treatments?

About 50 million Americans have “ringing in the ears.”

59 percent of health care professionals said they experience bias from their patients. Hear their stories.

How many feet do toilet droplets travel when you flush with the lid open? Find out how often you should disinfect your bathroom items.

How much time can you spend at a loud concert before it becomes a permanent threat to your hearing? Listen to what you can do to protect your ears.

More than half of your body is made of water – are you hydrated enough?

¿Debe orinar sobre la verruga o frotarla con una papa o una moneda? Tu abuelita tiene muchos consejos para curar las verrugas pero ¿cuál funciona?

¿Puede el mejunje de abuela realmente bajar el nivel de azúcar en la sangre? Hay un remedio con mejor sabor.

¿Puede realmente este licor mexicano ayudar a bajar la presión arterial? ¿Qué más puedo tomar para ayudar con la hipertensión?

¿Podrá este remedio realmente aliviar el dolor de estómago? ¿Funciona el remedio de abuelita?

¿Puede realmente la clara de huevo aliviar el dolor de una quemadura? ¿Qué funciona mejor que este remedio de abuela?

Should you rub it with a potato, rub it with a penny, or pee on it? Your grandma has a lot of suggestions on how to get rid of warts, but what really works?

Does this Mexican liquor really lower blood pressure? What else can you sip to help with hypertension?

Will this staple really soothe your tummy troubles? Was Grandma on to something?

Do gooey egg whites really take the sting out of a burn? What works better than Grandma’s old remedy?

Will that smelly drink your grandma mixed up really lower your blood sugar? There’s a tastier bet out there.

Your mobile device harbors more bacteria than you think. Which supplies should you use – and which ones should you avoid – when it’s time to clean your screen?

Don’t let chilly temps keep you from enjoying the outdoors. Which fabrics keep you the warmest?

You know you need blood to live, but have you ever wondered why?

Mononucleosis, or what some call the “kissing disease,” is an infection commonly caused by the Epstein-Barr virus. How can you avoid it?

Clinical trials help researchers find out if a new treatment is safe. So what’s involved?

Most of us catch the Epstein-Barr virus at some point. What are the chances it can lead to mono?

Annoyed by the ringing in your ears? What causes tinnitus, and how can you get the sound to buzz off?

Sepsis, or blood poisoning, can be a deadly infection. What happens and how is it treated?

Temp running higher than normal? That's a fever, and it’s one of your body’s main lines of defense against infections.

Is cholera still a threat? Find out what causes it and if it’s deadly.

Hear a ringing, buzzing, or clicking sound in one ear or both? It might be tinnitus, a symptom that affects up to 50 million people.

Ever wonder how generosity boosts your health? Let us count the ways.

Your kidneys are like a janitor and a cardiologist all in one. What else does this amazing organ do?

Know how to spot hypothermia and what steps to take if someone has it.

Keep the holiday cheer alive with 7 tips to make sure your Christmas tree is safe.

How is your spleen like a nightclub bouncer, a recycler, and a blood bank all in one?

You can have your gallbladder removed, so what exactly does this organ do?

Sharknados roll through town without much warning. Do you have what you need to survive the storm?

Experts discuss the pros and cons of recreational marijuana use.

An encounter with Jaws is the stuff of nightmares. Here’s how to enjoy the ocean and not attract sharks.

Warmer weather is upon us, which means you're more likely to encounter a snake. No need to panic -- here are a few tips to avoid them.

The CDC confirmed that the Zika virus causes mircrocephaly, an often-fatal birth defect. So how does it attack a baby’s brain?

Your body does a lot of weird stuff, from twitching to your foot falling asleep.