The lipoprotein metabolism and seems not to be advisable for people suffering from Atherosclerosis. The chemical name for caffeine is 1,3,7-trimethylzantihine. Useful to know if you see it on products. People who drink numerous cups of coffee a day may suffer from hallucinations. Coffee is mildly addictive and would probably be available on prescription if is introduce as a new product today.
Rats prefer water with caffeine in it when given the choice between that and pure water.
The stimulating action of coffee is not advisable for people suffering from irritable bowel disease.