What happens when articular cartilage begins to erode from excessive wear and stress on a joint?

Which is a direct benefit of prohibiting nicotine and tabacco use in schools?

When considering the claim that eating well to reduce stress, what advice might you give a friend who appears to be stressed about an upcoming exam, but chooses to have chips and soda for lunch everyday?

What are possible challenges for cyberbullying? the answer is sample response: possible challenges of cyberbullying have to do with nonbelievers, or people who do not think cyberbullying is a real problem. technology makes it hard to stop bullies, and some people do not want to take responsibility.