coffee

Coffee contains nearly 400 other chemicals, including trace amounts of several vitamins and minerals, tannins, and caramelized sugar. Some Special Coffee drinks have more fat and calories than a rich dessert.

Benefits:

Stimulates the central nervous system.
Can help you stay awake and alert.

Drawbacks:

May contribute to difficulty falling asleep and disturbed or reduced sleep.
Drinking large amounts can cause irritability and jittery nerves.
Increases excretion of calcium.

Coffee is best consumed in moderation. Regular Coffee consumption could help older people. A study on aging revealed that coffee helped older people think more quickly, improve their memory, and have better reasoning.

Infertility possible hazard: A number of studies have found that consuming more than 300 mg coffeine a day is associated with a delay in conception.