<1> Diet
Meal is an instance of eating, specifically one that takes place at a specific time and includes specific, prepared food.Meals occur primarily at homes, restaurants, and cafeterias, but may occur anywhere. Regular meals occur on a daily basis, typically several times a day.
Special meals are usually held in conjunction with such occasions as birthdays, weddings, anniversaries, and holidays.A meal is different from a snack in that meals are larger and more filling, while snacks are more likely to be small, high-calorie affairs; however, any food eaten in small amounts at an unscheduled time can be classified as a snack. 
Food that is not so contained the vitamin, the mineral, and the dietary fiber that is other nutrients is called a junk food though the calorie is high. It is seen a lot by the snacks whole such as the hamburger of the fast food, the doughnut, potato chips, and so on. A lot of drinks to which 10% of weight and a large amount of sugar is added are junk foods in the soft drink typical such food.
<2> Exercise
A physical exercise is any bodily activity that enhances or maintains physical fitness and overall health. It is often practiced to strengthen muscles and the cardiovascular system, and to hone athletic skills. Frequent and regular physical exercise boosts the immune system, and helps prevent diseases of affluence such as heart disease, cardiovascular disease, Type 2 diabetes and obesity.It also improves mental health and helps prevent depression. Swimming is said the movement of in water and the surface of the water only by the body. Swimming is being played as sports and a recreation now.
It is paid attention as an effective movement to the health maintenance because swimming is a movement that uses the muscle of the whole body, and the circulation of the blood of the whole body is promoted by the effect of the massage of hydraulic pressure. Moreover, it is positively used from break down to the knee etc. that occur easily because of the jog etc. few because the load by gravity is reduced by the buoyancy as rehabilitation.
