Health A-Z Videos

WebMD's Chief Medical Officer, John Whyte, MD, speaks with Yael Bensoussan, MD, Director, University of South Florida Health Voice Center, about technology that may soon be able to diagnose disease based on the sound of your voice.

As a child, Liz Davis endured a lot of pain in the name of smooth locks and loose curls. But the Eurocentric ideal didn’t align with her natural texture.

WebMD's Chief Medical Officer, John Whyte, MD, speaks with Thomas Serval, CEO and Co-Founder, Baracoda, about the development of connected health tech for use in the bathroom.

Across the globe, communities of color have granted access and privilege to lighter skin tones. This internalized racism puts dark skin at a disadvantage.

Meghan Bradshaw -- AKA “bionic woman” -- has had 16 joint reconstructions and eight joint replacements, all before age 30. This is due to a late diagnosis of Lyme disease.

As children, we equate self-worth with the messages we receive. Seen as less favorable, darker skin tones often contrast with biased beauty standards.

It’s not easy to change the negative effects of colorism, but there’s hope with the next generation, from deep brown to white and everything in between.

Spike in blood pressure? There’s actually a long list of suspects to comb through.

WebMD's Chief Medical Officer, John Whyte, MD, speaks with Eric Topol, MD, Executive Vice President, Scripps Research, and Editor-in-Chief, Medscape, about the accuracy of personalized wellness plans and the reliability of at-home testing to make them.

More than half the planet has a health monitor at their fingertips, says geneticist Michael Snyder, PhD. He’s excited about the future of wearables and catching disease before symptoms begin.

WebMD's Chief Medical Officer, John Whyte, MD, speaks with Azizi Seixas, PhD, Associate Professor, Miller School of Medicine, University of Miami, about the latest in wearable and nearable sleep technology.

WebMD's Chief Medical Officer, John Whyte, MD, speaks with Mena Mirhom, MD, Board-Certified Psychiatrist and Assistant Professor of Psychiatry, Columbia University, about the role of mental health apps in diagnosing and managing mental health conditions

WebMD's chief medical officer, John Whyte, MD, speaks with Don Saladino, a celebrity fitness coach and trainer, about the impact of the latest smart fitness technology and how it may help us reach our personal fitness goals.

Curing, preventing, and managing all disease by the end of the century is an ambitious goal, but one that Priscilla Chan and Mark Zuckerberg are tackling from the cell up.

WebMD's Chief Medical Officer, John Whyte, MD, speaks with Mintu Turakhia MD MAS, Associate Professor Of Cardiovascular Medicine, Stanford University, about the advantages of using wearable smart devices to monitor your health.

WebMD's Chief Medical Officer, John Whyte, MD, speaks with Venk Varadan, Co-Founder & CEO at Nanowear about their latest developments in wearable nanotechnology.

WebMD's Chief Medical Officer, John Whyte, MD, speaks with James Nichols, PhD, Professor at Vanderbilt University Medical Center, about the differences, pros and cons of utilizing lab tests versus home collection kits.

WebMD's Chief Medical Officer, John Whyte, MD, speaks with Ashley Koff, RD, Founder & CEO of The Better Nutrition Program, about how technology can help monitor and encourage you to sustain healthy eating habits.

With hyperkalemia, your body has too much potassium for your kidneys to remove. Dive into its symptoms, risks, and more.

Anyone can get hyperkalemia -- too much potassium in their blood. But what makes it dangerous?

What causes these cysts in your kidneys? And how are they treated?

From proteins to grains, here’s a list of doctor-approved foods that are low in potassium.

If your kidneys aren't working properly, potassium can build up in your body. What conditions and even medications affect these organs?

Potassium is important for our muscles, our nerves, and our heart. So what’s the connection between too much of the nutrient and your kidneys?

Your doctor will help you manage your hyperkalemia with diet changes, medication, and regular checkups. Here are some things they may recommend.

A normal potassium range helps keep your heart and muscles working their best. If your numbers are too high, it’s important to learn what’s causing it.

Find out the different kinds of facial fillers and the difference between each.

Find out the basics of Hydroxychloroquine.

If someone in your home is sick, take these extra precautions to ensure your bedding doesn’t harbor harmful germs that can infect others.

Save a trip to the store and create your own cleaning products that smell lovely and are just as effective as your favorite brands.

Can a DIY cleaner made with vodka kill coronavirus bacteria? Here’s what you should know.

Tips on how to properly use a pulse oximeter.

How to make a no-sew face mask.

At what point in history did leeches become a medical treatment?

Adopting a few environmentally friendly habits not only benefits the planet, but your overall health.

Artificial intelligence is so ingrained in our daily lives, even if we don’t realize it. What exactly is it, though?

This type of washer requires a little TLC between loads to keep odors and mold away. Carry these tips with you to help keep your machine sparkling clean.

The couple behind Bitty and Beau’s Coffee used their experience raising two children with Down syndrome to foster purpose and create jobs for people living with developmental or intellectual disabilities.

Wheelchairs have let people with limited or no mobility move around. Watch how this device evolved to become more comfortable and reliable.

Tips to keep your eco-friendly accessory free of bacteria and mold.

So many of us spend our lives attached to a laptop, and more often than not, it remains a magnet for dust and germs.

Your fridge should get a deep clean every few months. Follow these steps to get rid of bacteria, mold, and expired items.

Believe it or not, your dishwasher can become a breeding ground of foul odors and harmful bacteria.

From its inception at Johns Hopkins to the new and improved latex-free material, get to know the milestones of this medical mainstay.

These everyday items can harbor more germs than a public toilet seat.