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        <div id="content-top1">Page 28 - ScienceFocus (Issue 014)</div>
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    <pre style="white-space:pre-line"><code>To Eat or not to Eat?                                  ??獐嚗?                                                       ???脤???
     As we all know, we must eat to stay alive.
Ironically, after reading the article about caloric         憭批振?賜????摰??脤?靘雁???賬?敺奐?箏嚗?摰?restriction in this issue, you will probably notice    隞???∟楝???嗥???敺??冽????唳??脤?憭??蔣??that how much we eat may affect how fast we            ???漲??芰?葉嚗??隞亥?撖銝鈭??箸?隞?age. In nature, it is often observed that some         蝬剜????蝔?靘??澆雿嚗????香鈭⊥???雿??vital, fundamental processes (e.g. respiration)        ?抬????冽??拐?閫撖?車???瞍???摨虫????典??are associated with aging and death, not only          ?賡????摮???獐嚗?獐閬????見?ｇ?隞乩??臭?鈭
in animals but also plants. From an evolutionary       ?航??頞????嚗?point of view, you may have already heard
that, ?urvival of the fittest.??Then, why have we     1.	 憒??頝舫?????撠?0%?臭誑撱園憯賢嚗?箇?暻潭憤??evolved in this way? Here are some questions               ???風?脖?嚗?????嗆??誘??憌質雲????
for you to think about.                                    ??甇ａ脤?嚗?
1.	 If cutting down caloric intake by 30% can          2.	 憒????∟楝????瘝???嚗銝?游末???牧??
   lengthen our lifespan, through the long                 隞支??蝔桀?脣?銝?瑕?Ｗ?嚗?   history of evolution, why don? we feel full
   and stop eating at that ?ptimal??point?            3.	 ?箇?暻潸?瘝??冽?????鋡急?瘙堆??牧嚗??質◤瘛掠
                                                           ??
2.	Isn? it better, or will a species be ?itter?? if
   their caloric intake is independent of aging?            ??閮?迭 餈?霈 ?? ??瘜??澈 ????Fa c e b o o k撠???                                                       憒??冽?瘜銝???憭批振?澈?店嚗漲甇?餈?駁??3.	Why is aging not selected against during            sciencefocus@ust.hk 蝯行???   evolution? Or can it be selected against?

     Science Focus encourages our readers to
share your thoughts on our Facebook page. If
you have some exciting thoughts that you want
to share on the next issue, just send us an email
at sciencefocus@ust.hk!

Acknowledgements ?孵?渲?

Print Advising ?啣隢株岷
      HKUST Publishing Technology Centre 擐葛蝘?憭批飛?箇??銵葉敹?
Special Thanks to ?孵??
      Dr. Seung Woo Lee (Harvard Medical School)

穢 2018 Published by
   School of Science, HKUST
   擐葛蝘?憭批飛?飛?Ｗ??
Not for Sale (?都??

                                                                                                         G18860</code></pre>
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