Drinking a little wine (酒) is fine and isn't bad for your health. However, drinking too much can be a problem. If people drink too much wine, they may do something bad. For example, they may fight with other people in the street. What's worse, drinking too much wine is bad for your stomach or even puts your life in danger.

Some young people start smoking (吸烟) just because their friends smoke and they want to be a member of them. Smoking not only costs you a lot of money but also is bad for your lungs (肺)．

In the UK, it is illegal to buy cigarettes (香烟) or wine if you are under 18. It is also illegal to sell cigarettes or wine to someone who is under 18.

If someone in your family drinks too much or smokes, it is a good idea to talk to the doctor about this. The doctor will be able to help him or her.

The weather is getting hotter. You are thirsty playing basketball or riding home from school. A cold drink may be just the thing. But be careful what you are drinking. Something that looks cool may not be good for your health. There are plenty of "energy drinks" on the market. Most of them have beautiful colors and cool names. The lists on them tell you they are helpful to your health. Sounds great!

But after a careful check you may find that most energy drinks have lots of caffeine(咖啡因) in them.These drinks are especially aimed at(针对) young people, students, busy people and sports players. Makers sometimes say their drinks make you better at sports and can keep you awake. But be careful not to drink too much.

Caffeine makes your heart beat(跳动) fast. Because of this the International Olympic Committee has limited(限制) its use. Caffeine in most energy drinks is at least as strong as that in a cup of coffee or tea. Possible health dangers have something to do with energy drinks. Just one box of energy drink can make you nervous, have difficulty sleeping and can even cause heart problems. Scientists say that teenagers should be discouraged from taking drinks with a lot of caffeine in them.

Have you ever wanted to stop eating something sweet but you just couldn’t? Is it the first thing you do when you get home from school to look in the biscuit box? Can you eat a huge piece of chocolate all by yourself? Can you say no to sweets at parties? If you can’t, then there is a reason...perhaps you are a sugar addict ( 有瘾的人)! Does that sound funny? Well, doctors say that people who often eat sweet food can easily become addicted to sugar. What’s more, most sugar addicts don’t even realize that they are addicted! Sugar addiction is serious because it can really hurt your health. Doctors say that we should eat food which is healthy such as fresh fruits and vegetables, and that we shouldn’t eat a lot of sugar, fat or fast food. But sugar addicts find it difficult to do these. They know they must stop eating sweet food, but they can’t help doing it. Well, here is some advice: