Here’s a nice breakdown of what Coca Cola does to your body from getholistichealth.com:

After 10 minutes

Ten tea spoons of sugar contained in a glass of Cola, cause devastating “strike” on the organism and the only cause, by reason of not vomiting, is the phosphoric acid which inhibits the action of sugar.

 After 20 minutes

A leap of insulin levels in bloodstream occurs. The liver converts all the sugar into fat.

 After 40 minutes

Ingestion of caffeine is finally completed. The eye pupils are expanding. Blood pressure rises, because the liver disposes more sugar into bloodstream. The adenosine receptors get blocked, thereby preventing drowsiness.

Read The Rest At http://www.getholistichealth.com/33496/what-happens-to-our-body-after-drinking-coca-cola/