Experts are suggesting that a variety of habits and hobbies, such as reading, writing, learning another language, playing chess, solving puzzles, and visiting museums, can help protect your brain from Alzheimer's disease and cognitive decline. A recent study found that lifelong learning can be linked to a lower risk of cognitive decline from childhood to retirement. Neuropsychologist Andrea Zammit of Rush University Medical Center in Chicago, who led the study, said it's not too late to start these activities early in life. Physical health is also a crucial factor for brain health, with physical health also crucial. There are no magic recipe to prevent dementia or the normal cognitive decline of aging, but lifestyle changes can slow it down.