Health A-Z Videos

People tend to avoid going to the emergency room with sickle cell crises, but the intense pain often calls for IV opioids, advocate Derek Robertson says.

Adults with sickle cell face challenges like disease progression and less resources, advocate Derek Robertson says.

Growing up, Nilda Navedo had invisible pain that she kept hidden. That was the Hispanic way, she says, even though it’s an inherited blood disorder.

Ten years ago, there was only one treatment available for sickle cell disease, advocate Ashley Valentine says. Today, there are more drugs and resources.

A stroke in Elodie Ontala’s right eye changed the course of her sickle cell treatments. It was no longer just about managing the pain.

Wendy Dean, MD, talks about her recent book "If I Betray These Words," an honest look at keeping the Hippocratic Oath in a capitalistic health-care system.

WebMD's Chief Medical Officer, John Whyte, MD, speaks with Christopher Minson, PhD, Professor, Human Physiology, University of Oregon, about the health benefits of using a sauna to improve your heart health.

WebMD's Chief Medical Officer, John Whyte, MD, speaks with Michelle Kittleson, MD, PhD, about her new book on mastering the art of patient care.

Will AI revolutionize health care? John Whyte, MD, MPH, discusses the impact of AI on medicine with Dr. Eric Topol.

Mathieu Letombe, CEO of Withings, shares a smart device that provides a fast, non-invasive way to measure your nutrition and risk for illness from the comfort of your own home.

What does it mean to have too much potassium in your bloodstream?

What are the symptoms of this rare disease, and how can a protein damage the filtration system of the kidneys?

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.

The first sign of this autoimmune disease is often blood in the urine. Here’s how it starts in your kidneys.

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.

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.

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

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 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.

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

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 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 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 Ashley Koff, RD, Founder & CEO of The Better Nutrition Program, about how technology can help monitor and encourage you to sustain healthy eating habits.

Get the stats on health care from how many are uninsured to how many trillions are spent.

Do Americans see their doctor more often? And even with insurance, are you overpaying? Here are some facts on health care in the U.S.

From primary care doctors to nurses, you may come across several health care professionals, all with different roles.

Do you know when you should go to the E.R. vs urgent care? And what concerns should you see your primary care physician for?

Preventative care helps you catch medical problems before they become major.

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?

Don't become a mosquito magnet this summer.

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

Known as the "soybean chemist," Percy L. Julian used plants to make important medicinal compounds, making them more economical to mass-produce.

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

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.

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

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.