More and more people like bicycling and it is no surprise. It is fun, healthy and good for the environment. Maybe that's why there are about 1.4 billion bicycles and only about 400 million cars on roads worldwide today. Bikes can take you almost anywhere, and there is no oil cost!

    Get on a bicycle and ride around your neighbourhood. You may discover something new all around you. Stopping and getting off a bike is easier than stopping and getting out of your car. You can bike to work and benefit (受益) from the enjoyable exercise without polluting the environment. You don't even have to ride all the way.

    Folding (可折叠的) bikes work well for people who ride the train. Just fold the bike and take it with you. You can do the same on an airplane. A folding bike can be packed in a suitcase. You can also take a common bike with you when you fly. But be sure to look for information by accessing on airline websites. Not all airlines are bicycle-friendly to travellers.

    Health Benefits of Bicycling:

    It helps to prevent heart diseases.

    Bicycling helps to control your weight.

    A 15-minute bike ride to and from work three times a week burns off five kilos of fat in a year. Bicycling can improve your mood (心情).

    Exercise like bicycling has been shown to make people feel better, more relaxed and self-confident. Bicycling is healthier than driving.

Eating lots of vegetables is good for our health. Different vegetables can help our bodies in different ways. Eating carrots is good for our eyes. Carrots can help us see better at night. Do you want to have strong teeth? If so, you can eat some peas(豌豆). Peas have vitamin(维生素) K in them. Vitamin K is helpful to your teeth. Do you like tomatoes? They look nice. Doctors call tomatoes "healthy vegetables", because they can help you not to get cancer(癌症). They also have a kind of special vitamin PP. It can keep our skin(皮肤) healthy. So it is important to eat some tomatoes. Don't forget about spinach(菠菜). The spinach leaves have vitamin A, vitamin C and vitamin E. They help our bodies make red blood cells (血红蛋白).Vegetables are very important to us, but we can't only eat vegetables. We also need to eat other kinds of food to keep healthy.

    We'resitting too much and it's dangerous. Most Americans spend more than seven hourssitting every day, and the more you sit, the weaker your body will be.Fortunately, there are simple changes you can make during the day—anywhere, even at the workplace—to improve your health.

    Park a fewblocks away from the office each morning and walk to work.

    Thisallows you to start off your mornings actively and be ready to take on thework. If you take the bus, get off one stop earlier to take some light exercisebefore 8 a.m.

    Get up andmove around the office once every 60~90 minutes.

    Whenyou're busy with work, it's easy to forget the time. Set the alarm to remindyou to get up and take a walk around the office. You can use this time to fillup your water bottle or go to the bathroom.

    Askquestions and discuss questions face to face.

    Go to yourco-workers' office to discuss questions face to face, rather than send an emailevery time you have a question. This gives you a good excuse to move.

    Use yourlunch break to move around outside.

    So manyAmericans today work during their lunch break. When possible, take advantage ofthis time to walk outside and enjoy the nice weather. Fresh air can make youkeep a clear mind.

    Many of usdon't pay much attention to the importance of eye care. It is said that if youtake care of your body, then you can surely be healthy. That is why our eyesshould be given a lot of care. Natural eye care should be put in a number oneplace.

    There areseveral causes leading to poor eyesight like not enough food, genes (基因) and aging (老化). Televisions, computers and reading are also the causes of havingpoor eyesight. If you work in front of the computer, it is best to take a breakevery once in a while. Something dirty can cause redness and they will make youfeel uncomfortable. It is bad for your eyes too. If this happens, the best wayis to clean your eyes by using cold water. You must also try your best toprotect your eyes from harmful things. For example, sunglasses are not just forfashion but they can also serve as a great way to protect your eyesight fromultravioletrays.

    Eatinghealthy foods will do good to your eyesight. Remember that vitamins A, C and Eare good for eyes. Try to eat food groups that have these vitamins. And youshould do eye exercises because exercises protect your eyesight too. If aperson exercises regularly (定期地) and eats the right kind of food, his eyes will stay in goodcondition for a long time.

    All aboveare natural ways of eye care that help us keep healthy eyes. Being happy allthe time can be helpful to a person's eyesight too. In a word, eye care is veryimportant, no matter how old a person is.

Mr. Smith is 100 yearsold, but he is very healthy. He can read, play chess with people, and take careof himself(他自己). Many people want toknow his secrets (秘密) about keeping healthy and livinga long life. Here is what Mr. Smith says:

"My secrets aresimple. You can learn them easily. First, you should go to bed early andget up early every day. This is a good habit. For me, I usually go to bed at9:00 at night and get up at 6:00 in the morning."

"Second, do more(更多的) exercise. I always go out for a walkbefore having breakfast. In the morning and afternoon, I do some simple exercise,too.

"Third, make morefriends. I have many friends. Some of them are old. Some of them are not. Itmakes me happy to be with them. That is also important to live a longlife."

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