You can find out about the paleolithic diet by going to your local bookstore and reading doctor approved books about them. Always make sure what you are reading is authentically and clinically approved.

The medicine was clinically proven and tested.

Although clinically dead for two minutes, the patient was successfully revived.

Brain injuries can result in a clinically vegetative state.

Someone would be called clinically dead when their heart stops beating.

A person that "presents well clinically" does not appear to show signs of distress or duress