What controls all the other glands?

The pituitary gland is a small pea-sized gland that plays a major role in regulating vital body functions and general wellbeing. It is referred to as the body's 'master gland' because it controls the activity of most other hormone-secreting glands.

because health skills are tools and strategies and also practical skills are also something you need to learn (like tools and strategies) and put it in reality.