patients say watching a funny film with good plot stimulates the brain . Crucially , discussing film afterwards helps to keep the mind active . cancer researchers are launching a study involving treating elderly patients . Dr Roxana ##s believes intellectual stimulation can prevent the build - up of toxins in the brain which lead to Alzheimer ’ s disease .
Researchers say watching a funny film with good plot stimulates the brain . Crucially , discussing film afterwards helps to keep the mind active . Southampton University are launching a study involving 40 elderly patients . Dr Roxana Carare believes intellectual stimulation can prevent the build-up of toxins in the brain which lead to Alzheimer ’ s disease .