Human taste for alcohol linked to apes eating rotten fruit
One of the things that makes humans an unusual animal is that we like a drink – sometimes more than is good for us. Most animals lack the taste for booze and the ability to effectively metabolize the alcohol in it. For non-humans, very small amounts of alcohol can result in disorientation, clumsiness and illness, which are the perils we associate with drinking to excess. These are significant disadvantages in a natural world full of predators and competitors.