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BY Ronda Wendler

Last updated July 30, 2021

Since the COVID-19 pandemic began, several variants of the virus have emerged. But the one named delta is now the most severe of them all. This highly contagious variant was first identified in India in December 2020. Within six months, it spread to 85 countries. Now it's in all 50 of the United States, where it's become the dominant strain of COVID-19.

Infectious disease expert David...

3D illustration of COVID-19 virus, with one side appearing red and one side appearing a lighter pink

BY Kellie Bramlet Blackburn

If your health care provider has said you need a loop electrosurgical excision procedure, or LEEP, you may be wondering exactly what a LEEP...

BY Heather Alexander

When it comes to a healthy diet, you don’t need to quit carbs or fat or even sugar.

But your dietitian will suggest you limit processed...

BY Uzondu Osuagwu, M.D.

I got into medical school thinking I’d specialize in either cardiology or orthopedic surgery. But one of the great things about it is that you get to see and do so many different things before you finally finish. That’s how I discovered I liked being in the operating room, but didn’t necessarily want to be a surgeon.

I do enjoy physiology and pharmacology, though. So, anesthesiology seemed like a good fit. The only problem was...

Pain management specialist Uzondu Osuagwu, M.D., in his white coat and medical-grade face mask

BY Kellie Bramlet Blackburn

Careli Ann Garza’s colleagues consider her the heartbeat of Gladys Porter Early College High School. As the assistant principal, Careli can...

BY Karen Vollmering

For many years, brachytherapy has been used to treat low-risk, intermediate-risk, and high-risk prostate cancer. But more recently, doctors...

BY Meagan Raeke

Nerves control everything from your heart rate to muscle movement to the fight-or-flight stress response.

“Nerves are critical to body...

BY Ashley Snider

I am a bit of a hypochondriac, so I’ve diagnosed myself with cancer on more than one occasion. But I never believed it would actually happen...

BY Danielle Underferth

If you have dark skin, you may think you have natural protection from sunburns, sun damage and skin cancer. But the relationship between skin...

BY Devon Carter

Historically, cancer patients with autoimmune disease likes lupus, Type 1 diabetes and rheumatoid arthritis have been excluded from clinical...

BY Josiah Halm, M.D.

I’m originally from Ghana, a small country in West Africa. I didn’t come to the United States until I was an adult. So, my first real experience...

BY Melissa Rickenbacher

In 2013, I noticed blood in my stool, which I thought was related to hemorrhoids. I also noticed heartburn on occasion. But it took five years...

BY Clayton Boldt, Ph.D.

First discovered in the 1980s, exosomes are microscopic spherical packages, called vesicles, released by all cells. Their normal role in the...

BY Devon Carter

From your growth to your digestion, your hormones regulate many basic functions within your body. These chemical messengers are produced and...

BY Ronda Wendler

When Jorge Castillo’s back began to ache, he thought he’d injured himself at work.

“I install and repair electrical power grids, so...

BY Molly Adams

You probably know that cancer treatment can cause side effects like nausea, fatigue and hair loss. But some types of cancer treatment may...

BY Kellie Bramlet Blackburn

Months after his chondrosarcoma treatment at another hospital, Chuck Lichtman developed a life-altering hernia. It made it hard to move, sleep...

BY Heather Alexander

If you’ve seen reports about the carcinogen benzene being found in sunscreen, you may be wondering what it means for your sun-safety routine...

BY Karen Vollmering

Radiation therapy is one of the most common forms of cancer treatment. It uses high-energy X-rays to pinpoint and destroy cancer cells. Radiation...

BY Devon Carter

Stem cells come from our bone marrow and grow to become red blood cells, white blood cells and platelets. These cells make up our blood and...

BY Lauren Rose

Headaches, seizures and weakness throughout the body can all be potential brain tumor symptoms. Because these symptoms can also be signs of...

BY Ronda Wendler

Not long after moving into her new house, Dana Evans noticed an itchy red spot on her left breast.

“I’d seen a few spiders in the house...

BY Kellie Bramlet Blackburn

Nicola Sirito had a rare diagnosis – a soft tissue sarcoma on his spine – but his MD Anderson care team knew they could successfully...

BY Justin Bird, M.D.

Many of the important things that we really want to accomplish in life, we can’t do alone. So, you have to identify the people who can help...

BY Cyndi Graves

Before my husband, David, was diagnosed with a rare cancer of the nasal cavity called sinonasal undifferentiated carcinoma (SNUC...

BY Fred Hileman, Ph.D.

Before coming to MD Anderson for treatment of hairy cell leukemia in 2015, I was told by two different oncologists that I had only a matter...

BY Gina Van Thomme

Ethan Ludmir, M.D., grew up watching Star Wars. But unlike other fans, his favorite character wasn’t Luke Skywalker or Han Solo. Instead,...