World leaders, corporate executives and figures from civil society are convening in Davos, Switzerland, this week for the World Economic Forum. All eyes are almost certain to be on one high-ranking ...

"I just want to be able to do normal things and have a normal life and not have to worry." A 16-year-old girl from north Wales says she is "always scared" of having an allergic reaction after being ...

Atrial fibrillation (AFib) is an irregular heart rhythm caused by rapid, uneven electrical signals in the heart’s upper chambers. Panic attacks begin in the brain and can create intense physical ...

Hives are itchy red or white bumps that often stem from an allergic reaction. Unlike some other rashes, hives are not contagious and are an allergic-type reaction. Hives and other rashes can become ...

In patients with COPD and atrial fibrillation or flutter, vitamin K antagonists carry a lower 1‑year risk for hospitalization for acute exacerbation of COPD and death than direct oral anticoagulants.

Niacin flush happens after taking 30-50 milligrams of niacin, causing redness and warmth. Other signs of niacin flush include itchy skin and tingling or burning sensations. Taking nicotinamide and ...