Sport is a fairly general term for a range of activities that require varying mental and physical skills.

In attempting to explain to us dip-heads with half a brain, scientists posit that both sides of the brain communicate with each other through a thin stalk of nerve fibers.

Many people believe that stress is a leading cause of heart attacks. When your doctor evaluates your risk for a heart attack, he or she can measure your fitness and your nutritional status objectively, and can tell you about hundreds of studies on the effects of diet and exercise that are based on solid science.

Here we look at how stress effects heart disease and the relationship between physical inactivity and coronary heart disease, because the two are very much related.

Studies have found that stress is closely associated to catecholamines. Catecholamines are stress hormones produced by the body when you are stressed. The more of this hormone you produce, the more prone you are from heart related diseases. What this does is that it raises your blood pressure and also increases your heart rate.