Other studies have shown that napping between 30 and 90 minutes can help with cognitive tasks such as word recall and figure drawing. But the data is still limited, and again a firm causal link has not been established.

The human brain is much more flexible than we ever thought. New studies have begun to suggest that, even in adulthood, the brain can produce new neurons through a process known as neurogenesis. Some daily habits can actually help this brain growth occur more naturally,

Researchers discovered that clogged brain “drains” show up early in people at risk of Alzheimer’s disease. These blockages, easily seen on standard MRI scans, are tied to toxic protein buildup linked to memory loss and cognitive decline.

Lots of studies have shown that getting a good night’s rest (seven to eight hours) is associated with better memory and other cognitive abilities. That’s because sleep, especially REM sleep, is when your brain transfers short-term memories — things you learned or experienced during the day — into long-term storage.

Adderall, Ritalin and other stimulants prescribed for attention-deficit/hyperactivity disorder seem to work on brain areas involved with wakefulness and reward, rather than attention

Trump declared last week he had correctly answered every question "for the third straight time" during his most recent mental health check