A stress test measures how well your heart works when put under stress. It is ordered to assess exercise tolerance, see if your heart can respond to demands, or test if heart medications are working.

Millions of times a year, Americans seek urgent treatment for painful, embarrassing urinary tract infections. But while they ...

The FAA Part 107 certification is a mandatory requirement for commercial drone pilots, allowing entry into a rapidly expanding industry. A diverse range of resources is available for Part 107 exam ...

As the holidays come into full swing and many are traveling, more people are interested in taking an at-home COVID-19 test before their travels or gatherings with family and friends. Here’s what you ...

Gone are the days of visiting a doctor’s office to determine whether you have Covid. Instead, you can buy over-the-counter test kits, which diagnose infection from the comfort of your home, making ...

Giorgia Guglielmi is a science journalist in Basel, Switzerland. As the number of UK coronavirus cases surged in early 2021, the government announced a potential game-changer in the fight against ...

Ketone test strips The ketogenic diet is a strict, low-carb diet that is gaining in popularity due to claimed health benefits, which include dramatic weight loss, lowered blood triglycerides, ...

Circulating tumor DNA (ctDNA) is a blood test that looks for tiny pieces of cancer DNA released by dying cells, allowing doctors to detect cancer using a simple blood sample, Dr. Nicholas Hornstein ...