It stimulates the central nervous system, heart and respiratory system. It can affect the cardiovascular system, the digestive system, energy expenditure and frequency of urination (increases by as much as 30%) It increases the amount of time it takes to fall asleep, and reduces total sleep time. Coffee increases the secretion of acid in the stomach. It slows the emptying of the stomach’s contents into the small intestine and the passage of material through the small intestine. Caffeine use is associated with high cholesterol levels and dehydration. Coffee drinking can inhibit absorption of some nutrients, particularly iron Possible links between caffeine and disease: bladder cancer in men, breast cancer in women. Continuous caffeine abuse causes an almost continuous spasm of the muscles surrounding the spine. Caffeine causes a large amount of sugar to be released into the bloodstream. Caffeine can cause chromosomes in the cell nucleus to break apart.
Robbins Research International, Inc.