My grandfather and father-in-law have both got dementia in 2 years after their retirement. My Father even got heart disease after retirement. I have long belie

My grandfather and father-in-law have both got dementia in 2 years after their retirement. My Father even got heart disease after retirement. I have long believed not working or not being active both physically and mentally is harmful to one's health. Keep yourself occupied in some way or the other. Human mind and body needs some engagement to work well. Too much of rest is as harmful as fatigue.