IMMUNOLOGY

Detailed explanation-1: -There is a general consensus that regular bouts of short-lasting (i.e. up to 45 minutes) moderate intensity exercise is beneficial for host immune defense, particularly in older adults and people with chronic diseases.

Detailed explanation-2: -Vaccines build immunity against specific diseases. Some additional ways you can strengthen your immune system are eating well, being physically active, maintaining a healthy weight, getting enough sleep, not smoking, and avoiding excessive alcohol use.

Detailed explanation-3: -Walking. A short walk about the same length as your lunch break is enough to keep your immunity functioning like it should. One study tracked 1, 000 adults during flu season, and those who walked for 30 to 45 minutes a day had 43 percent less sick days than those who didn’t.

Detailed explanation-4: -Which of the following statements about exercise and the immune system is true? Moderate exercise results in a more effective immune system than does a sedentary lifestyle.