The purpose of the Dietary Guidelines for Americans is to Question 32 options: reduce the rates of overnutrition and undernutrition. encourage healthy eating patterns and regular physical activity. increase caloric intake across the life-stage groups. encourage consumption of healthy trans fats.

Whats important is to eat healthy food to prevent heart disease. another why not to get heart disease is to always exercise in a timely manner. lastly, always stay active and go to the doctor for checkups just in case.

Push up require upper body strength, so weight-training exercises such as shoulder press, curl ups and dead lifts would improve your ability to perform proper push ups.

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Immunization is the introduction of a foreign substance to provoke  the immune response system.  immunizations are the same as vaccinations. it introduces foreign (but dead/ weakened) illnesses to train the body to fight against them. specific viruses and bacteria have specific antigens, antigens act sort of like name tags. these name tags the immune system recognize what's dangerous to the body and what's safe.