one of the most popular activities these days.Many of us run for our(2)
.Doctors say many of the health problems come from such bad habits as eating too (3)
,drinking too much,smoking,staying up late and not having enough exercise.Doctors tell us,"Eat less,don't smoke,have enough sleep and exercise more."Running is a good exercise because it(4)
build a strong body.It also helps many people lose weight.One 25-year-old woman teacher runs for half an hour in the morning five(5)
a week.She runs to lose weight."I feel comfortable and I'm not fat any more,"she says. Running is good for health in other ways,too.Many(6)
say running makes some small health problems go(7)
."Running is my doctor,"says a man. Running can also help people to(8)
."After school,I like to run for ten minutes.Then I feel (9)
and energetic,"says Yang Min,a middle school student.So today men and women of all ages enjoy running. Do you want to(10)
(feel) happy and confident(自信的).Scientists find that aerobic exercise can also build the important parts of your brain(大腦). Aerobic exercise makes more blood run into your brain and it also gives your brain a kind of matter that builds new nerves(神經).So the exercise has a lot of dance or basketball steps.Your brain will make more new nerves.(3)
your nerves become stronger,your brain can learn new things and remember old ones(4)
( good). A study(5)
(show) that taking exercise three or four times a week is good for your(6)
( healthy).Another study shows that(7)
(walk) for forty-five minutes five times a week helps you live(8)
(long).So don't(9)
(stay) at home all day long.Come out and take some(10)