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     Do you have a mobile phone? Do you send text messages to your friends and family?

     Text messaging or "texting" is becoming very p_____(1). But scientists have p_____(2) that texting can give us

problems with our h_____(3). Be careful! Too much texting can cause RSI (Repetitive Strain Injury) in our thumbs

(大拇指) and wrists(腕关节). We spoke to a doctor called Harriet Wilson, who treats many patients with RSI. She

says if we spend more than 10-15 minutes texting each time, we could have p_____(4) in the future.

     Dr. Harjeet Deepa, who treats RSI patients, said that the y_____(5) patient she had treated was a 5-year-old girl.

She had s_____(6) bad RSI in her hands that she couldn't hold a pencil.

     As mobile phones d_____(7), they are getting smaller with buttons c_____(8) together. Texting with a smaller

phone is worse than using a larger phone with b_____(9) buttons. Using computers and playing video games can

cause the same problem. So more and more people could find t_____(10) with RSI.

     Many university students and teenagers have RSI. If we don't do anything about this, too many young people

could grow up in terrible pain.