Types of Headache
A headache (also known as cephalalgia) is one of the most common medical problems: you can hardly find a person who has never had a headache.
How to Prevent Stroke
A stroke is a medical emergency that consists in the rapid loss of brain function (or functions) due to disturbance in blood supply to the brain.
How to Prevent Infection
No one is completely secure from infectious diseases: there is always a possibility that you might catch one. However, you can try to reduce the probability of becoming infected.