A heart attack is a medical emergency that can be life-threatening. It occurs when blood supply to the heart is...

Syncope symptoms are signs that you may have a condition that causes the heart to stop pumping enough blood to...

Heroin addiction symptoms may include cravings, anxiety, and physical and psychological dependence. If you or a loved one has heroin...

Taking opioids for long-term pain may be useful, but it can also lead to addiction. Addiction is a serious and...

A muscle cramp is a sudden, painful contraction or tightening of one or more muscles. It may be felt as...