Asamiddleschoolstudent,firstyou’dbetterdomoreexercisesuchasplayingballgames,running,swimmingandjumpingrope.Thenyoushouldpayattentiontoyourdietormeals.Don’teattoomuchmeatandsugarbutmorevegetablesandfruit.Thirdyouneedenoughsleeporrest.Nextkeepyourselfhappy.Lastyoumustn’tdrinkwineorsmoke.Theyarebadforyourhealth.