Health Notes.
Commonsense Rules for Correct Eating.

(Well-known but usually disregarded).

Eat only when hungry. Never mind missing a meal if you are not genuinely hungry.

Avoid snacks between meals.

Do not eat if you are tired—rest first.

Avoid an excess of rich foods at one meal.

It is advisable not to have a meal if mentally upset.

Clear thinking is dependent on the successful functioning of the digestive organs.