Avoid smoking and using tobacco products. Be physically active every day. Eat a heart-healthy diet. Keep a healthy weight. Keep your blood pressure healthy. Keep your total cholesterol healthy. Keep your blood sugar healthy.
B. astigmatism is the best answer, it definitely gives distorted images.
Nearsightedness is where you can't see things clearly unless they are really close up to the eyes. Farsightedness is where you can see things better the farther off, but both of those may still leave you seeing blurry. Sclera is just part of they eyeball, the outer white layer.
<span>A is the correct answer. Body composition is the percentage of fat compared to the percentage of bone, muscle and water in a person's body. Medical problems can influence a person's diet and exercise habits and their metabolism, and they can cause unhealthy body compositions, for example, thyroid problems. However, medical problems rarely improve one's body composition.</span>
