Peer pressure is basically what it sounds like: pressure from peers. Many people make the automatic assumption that peer pressure is bad, but it many cases it can be good. Peer pressure can help you achieve your goals, help you feel better, or get into an activity.
However, peer pressure can also turn you for the worse. You know- when all your friends do it, you do it too. But that ac on could be dangerous. When someone else does something, it makes you feel that you are allowed to do it too- it has influenced you.
When many people do it, it also influences harshly. You don't want to feel left out or be called a chicken, so peer pressure will kick in.
Xerophthalmia is a progressive eye disease caused by vitamin A deficiency. Lack of vitamin A can dry out your tear ducts and eyes. Xerophthalmia can develop into night blindness or more serious damage to your cornea, the outer layer of your eye.
