Play CBS News Video People may joke they're addicted to desserts, but new brain imaging research shows there may be some truth to the statement.Researchers have found eating highly-processed carbohydrates like cakes, cookies and chips could affect pleasure centers in the brain, leading to serious cravings that might cause people to overeat.13 PhotosAre you a food addict? Take our online test "Beyond reward and craving, this part of the brain is also linked to substance abuse and dependence, which raises the question as to whether certain foods might be addictive," study author Dr. David Ludwig, director of the New...