Better and In good health

Better adjective - (comparative of `good') superior to another (of the same class or set or kind) in excellence or quality or desirability or suitability; more highly skilled than another.

In good health and better are semantically related In some cases you can use "In good health" instead an adjective "Better".

Better and in good health are semantically related in healthy topic. Sometimes you can use "Better" instead an adjective phrase "In good health".