Just like our bodies, our minds also become weak over time. We lose the ability to process new information or to switch quickly between mental tasks. 【小题1】

It improves cognitive (认知的) performance.

A study published in the journal Neurology Clinical Practice examined nearly 100 individual studies on exercise and brain function and discovered that exercising an average of 52 hours over six months is associated with improved cognitive performance in older adults. 【小题2】 And these exercises include strength-training and mind-body exercises.

【小题3】

The human body is meant to move. But listening to that urge to move has many benefits — including making you happier and even keep depression and other mental health issues at bay. A research has begun to expose long-overlooked links between physical activity and mental health. It suggested exercise can significantly improve mood over time.

It allows you to use less brain power for the same task.

【小题4】 They found that the fitter a participant was, the less brain activity he used to complete the tasks when compared with his out-of-shape peers.

It can expand your capacity for joy.

Kelly McGonigal is a health expert who explains how exercise makes the brain more sensitive to joy. 【小题5】 After eight weeks of walking, jogging and strength training, these adults showed an increase of dopamine receptors.

Many people do not have enough time to play a team sport, so instead they have started going running. In the past, jogging in the street was seen as a bit silly and not very cool. But things are changing. Nowadays, lots of people go out running in their spare time. Some people go to lose weight while others go simply to keep fit. The shops are now full of equipment, clothing and gadgets for runners. Many runners also have special watches which can track their route and tell them their speed. Even at 4: 30 o'clock in the morning you sometimes see runners in the street. And scientists say that along with cycling and swimming, running is a very good way to keep fit.

Unfortunately, running is often quite unpopular among young people at school. In some schools when it rains and it’s too wet to play football or hockey, children have to do cross-country running instead. However, now that running has become more fashionable, hopefully more young people will take it up. But, of course, trends (趋势) change all the time, so let’s hope that running is here to stay.

Every year in April, the London Marathon takes place. The race covers a fantastic route in which runners pass lots of famous sites like the London Eye and Big Ben. People come from all over the world to run in the London Marathon. Interestingly，marathon running used to be seen as an extreme sport, but now even people who are very unfit take part in marathons every year! Not that marathons have got easier but that people have become more interested in running. After the marathon every year the streets suddenly become full of runners. People find it so inspiring that they want to try it themselves. All you need is a bit of determination, so what are you waiting for?

Community sports teams provide great ways for players of all ages to have fun and socialize while they keep their skills sharp and get some exercise. If you can’t find one in your area, you can start one yourself. 【小题1】

Do your research.

【小题2】 If you find that you are the first in your community to recognize such a need, ensure that you can find enough local interest in your sport. You can invite one or two to join you in forming a preliminary leadership team.

Establish a budget.

To figure out what expenses (支出) you’ll need to cover, think about everything you’ll need to set up for your first game: Do you need to pay for using the facilities? 【小题3】 Once you’ve laid out all of your costs, try to find out what revenues (收入) you’ll need to cover your expenses.

Create a league of your own.

It might seem like overkill to draft some legal documents if all you want to do is meet up with some friends for a game on Sunday mornings. 【小题4】 Playtime goes much more smoothly if everyone agrees to the same rules before the game begins.

Plan for the future.

Consider getting and training new volunteers and keep young players coming in to replace those lost to busy careers or family responsibilities. 【小题5】 There might be a possibility of you deciding to quit.