文章编制 扣扣:一六四一六五三九八二how to stay healthyas we all know, healthy is very important to everybody.but do you really know how to stay healthy? here are some useful tips. first, we should do exercise if we have time.for example, we can go to swim in the summer holiday. or we can take a walk after supper.doing exercise makes us healthy and strong. second, we should take more vegetables and fruit and less candies. stop eating junk food and drinking beer