EghtesadOnline: Obesity may ultimately be a disease of the brain, involving a progressive deterioration of various cognitive processes that influence eating.

EghtesadOnline: Preschoolers who are regularly tucked into bed by 8 p.m. are far less likely to become obese teenagers than young children who go to sleep later in the evening, new research has found. Bedtimes after 9 p.m. appeared to double the likelihood of obesity later in life, according to a study.