Muscle cramps result from an involuntary contraction of a skeletal muscle. Overuse, prolonged exercise without proper conditioning, and fatigue are common causes of muscle cramps. In addition, dehydration and depletion of electrolytes, including magnesium, calcium and potassium, can lead to muscle cramps.
The relationship between intelligent design and science has been a contentious one. Intelligent design (ID) is presented by its proponents as science and claims to offer an alternative to evolution.
James Lileks: I want to believe in intelligent design, and hence I am suspicious of anything that seems to confirm my desire to believe. Richard Maloon: Anyone who believes in intelligent design is going to make us the laughingstock of the world and they'll call us the second (Scopes) Monkey Trial.