[填空题]Five Painful Facts You Need to Know

0. First of all, let’s set the record straight: Pain is normal. About 75 million U.S. residents endure chronic or recurrent pain. So what is pain and why do so many suffer so long Pain is felt when electrical signals are sent from nerve endings to your brain, which in turn can release painkillers called endorphins and generate reactions that range from instant and physical to long-term and emotional. Beyond that, scientific understanding gets painfully fuzzy. Here’s what’s known:
1. When you’re in pain, you know it. But if scientists could fully grasp how pain works and why, they might be able to help you more. The American Academy of Pain Medicine defines pain as "an unpleasant sensation and emotional response to that sensation." Some pain is the result of an obvious injury. Other times, it is caused by damaged nerves that are not so easy to pinpoint. "Pain is complex and defies our ability

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[填空题]Five Painful Facts You Need to Know

0. First of all, let’s set the record straight: Pain is normal. About 75 million U.S. residents endure chronic or recurrent pain. So what is pain and why do so many suffer so long Pain is felt when electrical signals are sent from nerve endings to your brain, which in turn can release painkillers called endorphins and generate reactions that range from instant and physical to long-term and emotional. Beyond that, scientific understanding gets painfully fuzzy. Here’s what’s known:
1. When you’re in pain, you know it. But if scientists could fully grasp how pain works and why, they might be able to help you more. The American Academy of Pain Medicine defines pain as "an unpleasant sensation and emotional response to that sensation." Some pain is the result of an obvious injury. Other times, it is caused by damaged nerves that are not so easy to pinpoint. "Pain is complex and defies our ability

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You want to get healthy. You know you need to exercise more. But you are not ready to do intense physical activities. Don’t worry! The best thing for most of us may be to just go for n walk.
Yes, walk. At a reasonably vigorous clip (five to six kilometers per hour) for half an hour or so, maybe five or six times a week. You may not feel the benefits all at once, but the evidence suggests that over the long term, a regular walking routine can do you good.
Walking, in fact, may be the perfect exercise. For starters, it’s one of the safest things you can do with your body. It’s much easier on the knees than running and doesn’t trigger side effects.
Regular physical activity is probably as close to a magic bullet as we will come in modem medicine, If everyone were to walk briskly for 30 minutes every day, we could cut the incidence
A. Going to the gym regularly.
B. Intense physical activities.
C. Running over a long term.
D. A regular walking routine.

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[单项选择] You want to get healthy. You know you need to exercise more. But you are not ready to do intense physical activities. Don’’t worry! The best thing for most of us may be to just go for a walk. Yes, walk. At a reasonably vigorous clip (five to six kilometers per hour) for half an hour or so, maybe five or six times a week. You may not feel the benefits all at once, but the evidence suggests that over the long term, a regular walking routine can do you good. Walking, in fact, may be the perfect exercise. For starters, it’’s one of the safest things you can do with your body. It’’s much easier on the knees than running and doesn’’t trigger side effects. Regular physical activity is probably as close to a magic bullet as we will come in modern medicine. If everyone were to walk briskly for 30 minutes every day, we could cut the incidence of many chronic diseases by 30 to 40 per cent. Walking is also a great way to lose body fat, so even if you don’’t lose any weight,
A. Going to the gym regularly.
B. Intense physical activities.
C. Running over a long term.
D. A regular walking routine.

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