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.