The food and nutrition board is recommending 60 minutes daily physical exercise for an individual to prevent weight gain. Although in reality it also depends on the type of body of the individual. Sometimes an individual needs to gain weight proper proper to his or her age. But the answer to your question is letter A - 60 minutes daily.
Yes, fat can work as mechanical defence, and can protect your internal organs.
It can damage nearly every organ in the body, including the lungs, heart, blood vessels, reproductive organs, mouth, skin, eyes, and bones.
Smoking damages the airways and small air sacs in your lungs. This damage starts early in smokers, and lung function continues to worsen as long as the person smokes. Still, it may take years for the problem to become noticeable enough for lung disease to be diagnosed.
Smoking makes pneumonia and asthma worse. It also causes many other lung diseases that can be nearly as bad as lung cancer.
