COVID-19 is a respiratory condition caused by a coronavirus. Some people are infected but don’t notice any COVID-19 symptoms (doctors call that being asymptomatic). Most people have mild symptoms and ...

But how do you know if your cortisol levels really are too high? And what are the symptoms of high cortisol? Social media might have you thinking that face puffiness — being touted as “cortisol face” ...

Once a virus infects your body, it can destroy healthy cells and make multiple copies of itself. The virus causing COVID mainly attacks the cells lining your airways. This makes it hard for you to ...

Endocrinologists are used to people not knowing what they do. Patients often assume that, for example, Dr. Rasa Kazlauskaite spends her days focused on the “love hormones,” like testosterone and ...

Mononucleosis, or mono, can lead to a range of symptoms, including severe fatigue, fever, and a sore throat. However, symptoms typically generally resolve within around 2–4 weeks. Mono is a common ...

Rest, fluids and medications are your friends. By Dana G. Smith We’re four years into the pandemic, and by this point, most Americans have had Covid at least once. But when the virus comes for us ...

With COVID levels high across most of the country, some people may find themselves experiencing symptoms of COVID rebound in the coming weeks. “COVID rebound is a recurrence of COVID symptoms after ...

Raquel A., 33, never guessed she had cancer, even though she had symptoms that worried her. A few years ago, her bowel movements became increasingly frequent and abnormal, which she figured was due to ...

Ducharme is a contributor to TIME. Ducharme is a contributor to TIME. You get the dreaded text: the friend you just met for lunch tested positive for COVID-19. Now you’re left to wonder if you, too, ...

As the crisp autumn air sets in and leaves turn to shades of red and gold, many of us eagerly anticipate the seasonal delights that come with the autumn and winter months. But, for some, these seasons ...

Doctors say they're finding it increasingly difficult to distinguish Covid from allergies or the common cold, even as hospitalizations tick up. Subscribe to read this story ad-free Get unlimited ...