Linda is looking for something about how to keep healthy on the Internet. Here are the results.

★Have healthy eating habits. 【小题1】 So eat breakfast every morning and eat well. Try to eat a light lunch. Fruit and vegetables are an important part of your food. Don’t have dinner too late. Your body needs more time to digest (消化) most of the food.

★How often do you exercise? If you want to stay healthy, try to exercise for 30 minutes a day, three or four times a week. 【小题2】

★Good sleep is important for your health. 【小题3】 Don’t eat or read in bed. Go to bed and get up early at the same time every day.

★Studies show that flu virus (流感病毒) can live on our hands for a long time. 【小题4】 Drink more hot water. Try not to go to crowded places. Don’t forget to wear masks (口罩) when you go out.

★【小题5】 Also, seeing a dentist at least once a year is necessary. The oral examination (口腔检查) is not only for the health of teeth, but of the whole body.

Teeth are important. Strong, healthy teeth help you chew (咀嚼) food that helps you grow. They help you speak clearly. And yes, they help you look best. Here are some tips for you to take care of your teeth:

Brush your teeth at least twice a day—after breakfast and before bedtime. If you can, brush after lunch or after sweet snacks, too. Brush all of your teeth, not just the front ones. Spend time brushing teeth along the sides and back of your mouth. Spend at least three minutes each time you brush. Play a song you like to help pass the time. Get a new toothbrush every three months. When you buy toothbrush, be sure it has soft bristles (鬃毛).

Flossing is a very important way to keep your teeth healthy. Food may hide between two teeth. Flossing can help get rid of it. You’ll need to floss your teeth at least once a day.

You need to be careful about what you eat and drink. Eating sugar is a major cause of tooth decay (蛀牙). Eat lots of fruit and vegetables and drink water instead of soda (苏打).

There is nothing worse than being cheated. Now body language expert Judi James tells you the key signs to find out whether someone is telling a lie. Here are some ways to help you.

The long stop: Telling a lie is quite difficult for the body and brain to deal with. First your brain produces the truth. Then, you have to hide the truth and invent a lie. After that, you tell the lie. This often leads to a longer stop before answering.

The eye dart: Humans have more eye expressions than any other animal and our eyes can look around if we're trying to hide something. When we look up to our left, we're often recalling memory. But when our eyes roll up to our right, we are thinking new ideas. Also, the guilt(内疚)of a lie often makes people use an eye contact cut-off gesture, such as looking down or away.

The lost breath: Bending the truth causes a sudden stress response in most people. The mouth dries, the body sweats more, the pulse rate (心率) becomes quick and the rhythm of the breathing changes to shorter, shallower breaths that can often be both seen and heard.

The poker face: Some people prefer to have the poker face, because they think less is more and almost show less movement and eye contact when they are telling lies.

The face hide: When someone tells a lie they often want to hide their face from their audience. This can lead to a cut-off gesture like nose-touch or mouth-cover.

Self-comfort touches: People often move from side to side, touch their hair or play with wedding rings when they have stress. Most people use self-comfort gestures but this will increase greatly when someone is lying.