Ever wonder why so many fast-food chains use the same colors in their logos? The marketing scheme is no coincidence. Studies have found that seeing the combination of red and yellow helps kickstart your metabolism, increasing hunger.
When red wine is decanted for long periods of time—up to 12 hours—the organic acids and polyphenols begin to break down, according to a 2012 Chinese study. Leaving the bottle open overnight nixes the usual benefits of a glass of red, including decreased depression, increased testosterone, and a healthier heart.