Consuming even moderate amounts of alcohol can cause drunkenness and to do what to

the body

Even moderate alcohol consumption causes dis-balance in movement.

Explanation:

The alcohol consumption causes severe ill effects on brain, liver and other body parts.

It can lead to memory loss and intelligence loss. It disturbs the coordination of signalling of the brain to the body. The most affected part of the brain would be cerebellum even in moderate drinking which is the centre of balance and movement in the body.

The liver will be the most affected organ in the body.