More Challenge

          There is a passage named:Study: Alzheimer’s risk spikes 157% with heavy smoking.By Mary Brophy Marcus, USA TODAY.

                The study is the first to examine the long-term consequences of heavy smoking on Alzheimer’s and vascular dementia, says the study’s principal investigator, Rachel Whitmer, a research scientist with Kaiser Permanente in Oakland.

                 A key question for worried smokers: If I quit, will I lower my risk for dementia? The answer is unknown, but Whitmer says researchers are planning a follow-up study to find out.

               I do have a lot of friends who smoke everyday and they promise me that they can not give it up as normal. Most of them smoke 20 or more cigerrate everyday and when they are worried andin bad mood they will smoke more! That is a really hard thing for them to give it up, it just like drup,once you are addicted to it, you can not escape anymore.I hope they can smoke more because most of them can feel the bad part of their body as they smoke and it is sad that they can not control themselves!

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