Eating fatty food in the days leading up to surgery may prompt a heightened inflammatory response in the brain that interferes for weeks with memory-related cognitive function in older adults – and, new research in animals suggests, even in young adults.

A new study identified a link between poor sleep and migraine attacks that suggests improving sleep health may diminish migraine attacks in people with migraine. The study found that sleep disturbances increased vulnerability to migraine attacks, but the opposite isn’t true.