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What It Means When Your Heart Skips a Beat

Most heart palpitations are normal. Here are 5 reasons your heart might be skipping a beat. Your heart may pound…

10 Things to Know About Sinusitis

The pain and pressure of a sinus infection is nothing to sneeze at. Here’s how to know if you have…

How Wildfire Smoke Can Affect Your Health

Even if you’re not in the direct path of the fire, the effects of wildfire smoke inhalation can cause major…

How Long Does the Flu Last and Other Flu FAQs

Find out the truth about some common myths and misconceptions about influenza. If you feel like you’re coming down with…

Could I Have a Latex Allergy?

Latex allergy symptoms can range from mild to life-threatening. Here’s what you need to know. The last time you went…

What People With Asthma Should Know About COVID-19

S. Cindy Xi, MD, an allergist and immunologist at Keck Medicine of USC, answers some common questions about asthma and…

How Dangerous Is Secondhand Smoke?

Passive smoking can be more damaging to your health than you might think. Considering the clear risks associated with smoking,…

Are Fumes From Everyday Household Products Dangerous?

Their strong smell is the first clue that they may be affecting more than just your dirt and grime. When…

Is It a Seasonal Allergy or a Cold?

If you’ve got the sniffles, here’s how to figure out what’s causing your ailments. Just when you think cold and…

How to Tell If You Have Nasal Polyps

Do you have a runny or stuffed up nose? There might be more to your symptoms than just a head…

Is Colon Cleansing Dangerous?

It’s considered a natural way to detoxify the body, but does colon cleansing do more harm than good? If you’ve…

Meet Maria E. Nelson, MD

Dr. Nelson is a surgeon at Keck Medicine of USC, who specializes in breast surgical oncology and breast cancer treatment.…