A neurologist has sparked widespread fascination online after sharing a simple 30-second test that he says can reveal how your brain is really functioning. The test is deceptively basic and relies ...

Optical illusions are like mini brain tests that are designed to challenge your perception, observation, and visual processing. These visual images hide objects, animals, numbers, or words in plain ...

RIO DE JANEIRO (AP) — Former President Jair Bolsonaro was granted a brief leave Wednesday from his 27-year prison sentence for a coup attempt so that he could undergo medical tests at a hospital in ...

Carlos Bolsonaro, the son of former President Jair Bolsonaro, awaits his arrival in front of the hospital where he is being transported to from prison for surgery the next day, in Brasilia, Brazil, ...

Our bodies age at different rates, sometimes closely correlated to the years we've spent alive, and sometimes less so. A new study links another factor to the speed at which our brains age: how much ...