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高中英语 Unit3 Protecting ourselves Caffeine素材 牛津译林版选修10-牛津版高三选修10英语素材

高中英语 Unit3 Protecting ourselves Caffeine素材 牛津译林版选修10-牛津版高三选修10英语素材_第1页
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CaffeineWhat Is It? Caffeine is a substance that can be found in many different things such as coffee, tea, hot chocolate, chocolate, some soft drinks (like Coke, Mountain Dew, Jolt, and Pepsi), and iced tea. Some other products that contain caffeine are drugs such as NoDoz, Tirend, Quick Pep, Vivarin, Caffedrine, and Coffee Break Caplets. These are used to keep people awake.What Does It Do To Your Body?Some symptoms that may occur after having caffeine are difficulty sleeping, being confused, sometimes you might be unconscious for a few minutes, or you could become very thirsty. If you have a lot of caffeine in your body you could die, get a high fever, have difficulty breathing, or have stomach problems. You could also have a rapid heartbeat and stomach problems. Some people get very shaky. These symptoms can be especially dangerous for infants and young children. This is why you should limit the amount of caffeine that you put in your body.Why Is It Dangerous?Caffeine can be found in many products. It is used everyday by millions of people of all ages. People often drink soft drinks when they are thirsty, but do not realize that this can make them even more thirsty. Many children and teens drink soft drinks instead of milk or juices. This can be very unhealthy if too much caffeine is in the body.

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高中英语 Unit3 Protecting ourselves Caffeine素材 牛津译林版选修10-牛津版高三选修10英语素材

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