Keeping strength up, especially in old age, is crucial. My father was admitted to hospital for something, and spent a few weeks on the ward. When he was releas

Keeping strength up, especially in old age, is crucial. My father was admitted to hospital for something, and spent a few weeks on the ward. When he was released he was super frail and had to use a walker. Losing strength is easy, getting it back (especially in your 80's) is damn hard.