Mmmm! Chocolate

A 2013 study published in the journal Neurology found a correlation between drinking hot chocolate and boosted memory, suggesting that drinking two cups a day could help stave off Alzheimer's.

"As different areas of the brain need more energy to complete their tasks, they also need greater blood flow. This relationship, called neurovascular coupling, may play an important role in diseases such as Alzheimer's," Dr. Paul Rosenberg of Johns Hopkins School of Medicine told the Daily Mail. Cocoa's ability to increase blood flow is thought to be at the root of its memory-enhancing abilities.