2994. To continue exercise until a profuse perspiration or a great degree of weariness takes place, is far from being wholesome.
2995. In the forenoon, when the stomach is not too much distended, muscular motion is both agreeable and healthful; it strengthens digestion, and heats the body less than with a full stomach; and a good appetite after it is a proof that it has not been carried to excess.
2996. But, at the same time, it should be understood, that it is not advisable to take violent exercise immediately before a meal, as digestion might thereby be retarded.
2997. Neither should we sit down to a substantial dinner or supper immediately on returning from a fatiguing walk, at a time when the blood is heated, and the body in a state of perspiration from previous exertion, as the worst consequences may arise, especially where cooling dishes, salad, or a glass of cold drink is begun with.
2998. Exercise is always hurtful after meals, from its impeding digestion, by propelling those fluids too much toward the surface of the body which are designed for the solution of the food in the stomach.