Four essentials for senior citizens

I met a retired Professor socially recently and while chatting informally, I was told that four essentials, for us senior citizens are as follows; WORSHIP. WATER,WALKING AND WORK. Work means any type of work which keeps our brain, mind or bodies active. I also heard about a recent article in the British Medical Journal which is a leading multidisciplinary open access medical journal which publishes high quality peer reviewed content. This is said to be the most widely read medical journal in the world. The article stressed that having the

Covid vaccine was a necessity, to prevent Covid, but also talks of research about the vaccine for those prone to arthritis.

This was interesting information as many arthritis patients have complained that the arthritis has got more severe after the vaccine.