Explanation:

Healthy and strong; Good for body and mind; Wise and reasonable; Well-run

Phrases:

Stay healthy? keep fit

Healthy eating? Healthy diet; Diet and health care

Healthy personality? A healthy personality; A healthy personality

Discrimination of word meaning:

The words healthy and health have the same meaning as "health". The difference is:

Healthy mainly refers to being in good physical and mental condition and can be used as a predicative or attributive.

Healthful means beneficial to the body, which is often used to modify the climate, but it is often used as an attribute. For example:

We have a healthy climate here. We have a pleasant climate here