The next warning signs of a heart attack is rapid or unusually high heartbeat. This is also known as palpitation in medical ...

Chronic fatigue syndrome (ME/CFS) isn't well understood and therefore difficult to diagnose. About a quarter of people with ME/CFS cannot leave their homes due to severe pain and fatigue.

Asthma symptoms, such as coughing, wheezing, and shortness of breath are not only tiring, but when severe, they can reduce oxygen levels in the blood. This can lead to fatigue. Asthma flare-ups ...

A sinus infection can cause symptoms similar to the common cold and flu, including congestion, fatigue ... men. However, ...

Severe Acute Respiratory Syndrome (SARS) is a disease that first appeared in humans in November 2002. Infection initially brings flu-like symptoms including fever and fatigue, but it then attacks ...