Diseases and Conditions

Know how to prevent, treat and control the symptoms of various diseases and medical conditions. We explain what's happening in your body when disease strikes, and what you can do to feel better faster.

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The low FODMAP diet was created by a team of researchers in Australia to help those with digestive issues like IBS. This is one diet that's not about losing weight.

By Jennifer Walker-Journey

The symptoms for both are similar though there are a few differences. Treatment is also similar for mild cases of either. But severe cases of COVID are much more deadly, so how do you know what you have?

By Alia Hoyt

New parents — especially new moms — are prone to an ailment known as mommy thumb. It's painful and real, but what is it and how is your baby causing it?

By Kristen Hall-Geisler

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Sometimes you just can't avoid using a public bathroom. Is it safe with coronavirus raging? How can you be sure?

By Carrie Whitney, Ph.D.

Many health experts are gravely concerned about how the massive protest crowds, chanting and especially use of tear gas could accelerate the spread of coronavirus.

By Patty Rasmussen

Learn the steps of contact tracing, one critical way that public health officials stop viruses like COVID-19 from spreading, in this HowStuffWorks video.

Wearing some sort of face mask is more important than ever now to protect you and others from coronavirus. But how do clean and safely store it?

By Carrie Whitney, Ph.D.

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Despite strict closing and mask orders, San Francisco was hit hard by the 1918-1919 influenza pandemic. But some residents balked at the rules and that meant more people died.

By John Donovan

As COVID-19 rages around the world, distilleries quickly ramp up the switch from booze to hand sanitizer in an all-out effort to curb the spread.

By Jeremy Glass

When you were a kid, your mom probably told you not to go around barefoot because you could get worms. But are nematodes still a problem today?

By Alia Hoyt

Anosmia, or the loss of the ability to detect one or more smells, is a common symptom of upper respiratory viral infections. It might also be a way to tell if you have novel coronavirus.

By Jesslyn Shields

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The World Health Organization just declared the coronavirus a full-blown pandemic. What does that even mean, and how is that different from an epidemic?

By Sarah Gleim

You've probably heard the word "quarantine" a lot in relation to the coronavirus. But how is it different from patient isolation?

By Patty Rasmussen

More than a year has passed since a new strain — SARS-CoV-2 — emerged in China and rapidly spread across the globe, infecting more than 90 million and killing more than 2 million. What has — and hasn't — changed since then?

By Sarah Gleim

A study from the National Institutes of Health found women who regularly use permanent hair dye and chemical hair straighteners are at a higher risk of breast cancer. The risk increases significantly — more than six times — for black women.

By Michelle Konstantinovsky

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It's called auto-brewery syndrome and, for some folks, it's a fact of life.

By Laurie L. Dove

A bland diet consisting of bananas, rice, applesauce and toast was a standard remedy for children with diarrhea and other stomach issues. But not any more. What happened to the BRAT diet?

By Alia Hoyt

Just 10 percent of Americans with pancreatic cancer survive for at least five years. Why is the outlook so grim and what can be done about it?

By Alia Hoyt

Although it's far more common in women, men get breast cancer too. And they have a much higher fatality rate. Why is this and what can be done?

By Alia Hoyt

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We know science rarely says anything good about sitting all day. But did you know that if spend too much time on your bum, you could end up killing it?

By Kristen Hall-Geisler

Although the disease is associated with sailors of yore, it can affect anyone lacking vitamin C. And it still impacts some people today.

By Mark Mancini

The EPA deemed ethylene oxide a carcinogen in 2016, yet there are many cities across the country being polluted with the invisible gas.

By Michelle Konstantinovsky

If you have a gut feeling something is off in your physical or mental well-being, a parasite could be the culprit.

By Michelle Konstantinovsky

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There's been a steady uptick in Lyme disease across the United States since 1997, but the news isn't all bad.

By John Donovan

Spring is here, your pollen allergies have kicked in and you feel tired and sleepy. Could pollen have something to do with it? Or is it just the meds?

By Kathryn Whitbourne