Arthritis can be painful and prevent patients from doing daily activities. But certain medicines to relieve arthritis pain may increase patients' chances of dying from a stroke, a new study found.

Chest pain is always a good reason to see the doctor. But, in some cases, heart symptoms like chest pains may not have a physical cause.

With coronary artery disease, plaque may block blood vessels. Sometimes, however, plaque that does not restrict blood flow may develop. But even this type of plaque buildup may raise the risk of heart attack.

Chagas disease is usually thought of as a tropical disease, found in places like Guatemala or Brazil. But researchers recently found that the parasite that causes Chagas disease was present in the blood of some Texans.

Millions of patients may have strokes each year and not realize it. These “silent” strokes can cause memory loss but have no outward symptoms. And those with atrial fibrillation may be especially at risk.

When it comes to heart disease risk, ignorance may not always be bliss. Some ethnic groups had a higher risk for heart disease, but they were less aware of that risk than other groups, a new study found.

The American Heart Association and American Stroke Association have updated their guidelines for stroke prevention. The new guidelines focus on healthy eating, normal blood pressure and exercise as ways to lower stroke risk.

LDL cholesterol is called "bad" cholesterol because it may contribute to heart and blood vessel disease. New research has shown that some people with genetic variations that cause raised levels of LDL cholesterol may be at increased risk for a type of heart valve disease.

A mental health disorder can affect both work and family, but can it also affect your heart health? A new Canadian study suggests so.