Living a healthier and longer life:
Resistance training is good for brain health and reduces depression, and early bilingualism helps to protect against age-related declines, making friends, quitting smoking, cuddling with pets, and regular snoozing help you to live longer, foods that are rich in a diet of healthy fruits, and vegetables, whole grains, olive oil, and fish, eat like an Okinawan which is 80% of the plate, 2.5hr of regular moderate physical activity a week, sunlight keeps your brain healthy, spiritual participation, let off anger and practice forgiveness, sleepy hygiene of sleeping 7-9 hrs a day, avoid alcohol, caffeine, electronics for better sleep, practice mindfulness, box breathing 4-4-4-4, yoga, and Ikigai, having a sense of purpose and meaning in life.
In the field of aging and psychology, you don't have to go to college to play puzzles, just keep the scores and compare how you did today to tomorrow with yourself and others.
There is research determined that higher compliance to the Mediterranean-Dash Intervention for Neurodegenerative Delay diet (MIND) decelerated the pace of aging as measured by DunedinPACE and reduced risks for dementia and mortality as Daniel Belsky, Ph.D., at Columbia School of Public Health and the Columbia Aging Center and author of the study.