A stroke is a "brain attack". It can happen to anyone at any time. It occurs when blood flow to an area of brain is cut off. When this happens, brain cells are deprived of oxygen and begin to die. When brain cells die during a stroke, abilities controlled by that area of the brain such as memory and muscle control are lost.
Pediatrics is the branch of medicine that involves the medical care of infants, children, and adolescents. The American Academy of Pediatrics recommends people be under pediatric care up to the age of 21. A medical doctor who specializes in this area is known as a pediatrician, or paediatrician
Heat-related emergencies occur when a person's body is unable to cool itself through sweating and heat loss into the air. It is most common when a person becomes dehydrated, and there is high temperature with high humidity and no breeze. The people most at risk are those who work or exercise outdoors in the heat, such as athletes, laborers, and soldiers, or those who have poor tolerance to heat, such as the elderly, the very young, alcoholics, or people who are obese or have medical problems.