Ever felt out of breath and tired while pushing through an intense workout? These are signs that the body is working hard to pump oxygen and nutrients to your cells to produce the energy needed for ...

It can start with unusual discomfort or breathlessness during a workout or an uphill walk—a feeling many of us experience, and dismiss, the older we get. But medical researchers are learning more ...

My whole life, I struggled with certain exercises and couldn’t handle heat. Turns out it was a health condition.

Exercise intolerance, or the inability to perform physical activity at the expected or desired level, is one of the many symptoms associated with long COVID. In a study, Yale researchers help explain ...

Patients with heart failure with preserved ejection fraction (HFpEF) may experience worsened exercise tolerance if they also have anemia. The exercise stress echocardiographic study included nearly ...

A repurposed drug reduced exertional desaturation and dyspnea by 62% and 27%, respectively, in patients with Covid-19 pulmonary sequelae, according to a recent Phase 3 study. In patients with ...

A little more than 35% of people with persistent long Covid (also known as post Covid syndrome) reported that they experienced post-exertional malaise or exercise intolerance even in the second year ...

New research found changes that could explain why some people with long COVID struggle to exercise. The study found that COVID-19 can cause changes that impact some people on a cellular level. Doctors ...

Dear Doctors: I’ve been an endurance athlete my whole adult life. After having COVID-19, I’ve gone from running marathons at an 8-minute mile pace to needing walking breaks whenever I run. Are there ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. A new study provides yet more evidence that a significant subset of people who experience ...

Pembrolizumab in Relapsed and Refractory Mycosis Fungoides and Sézary Syndrome: A Multicenter Phase II Study Participants consisted of 1,041 people who had survived cancer ≥ 10 years (and had or did ...

And experts have some theories as to why. By Melinda Wenner Moyer When Natalie Hollabaugh tested positive for Covid-19 in March 2020, her recovery felt extremely slow. Eighteen months later, she was ...