It's the perfect excuse to take part in Oktoberfest.
For researchers have found that drinking beer can lift your spirits and make you feel good about yourself.
Hordenine, abundant in malted barley - a key ingredient in the alcoholic beverage, activates dopamine receptors in the brain.
This then triggers a surge of the feel-good chemical to the decision-making area of the brain, German scientists claim.
The findings also go someway to explain why some people are never able to stop at just one drink - and end up staying for multiple.