Healthy in old age: Five tips for a fitter brain. Smoking, obesity, alcohol and too much stress should be avoided.

Regular exercise can slow down the aging process. Eating without trans fats can release inflammatory factors throughout the body and thus also in the brain. Regular relaxation and, above all, sufficient sleep play a major role in general well-being. Too little sleep and poor sleep quality are associated with diseases such as cardiovascular problems and Alzheimer's. Keep your head fit through music. According to theOK, music affects the release of certain messenger substances such as cortisol.