Ex4 10.3.2 10.3.6 10.4.2 10.4.7 Read the text and answer the questions. Discuss with your partner. 1. What physical change did the Boston scientists see in the mice in their experiment?

2 What problem is there with performing the Boston procedure on people?

3 What builds up in our cells as we age?

4 What did the New York scientists achieve?

5 What global problem does the writer mention that could be affected by anti-aging treatments?

6 How does eating tomatoes help us achieve younger-looking skin?

7 Why might reversing the aging process one day become a reality?

Ex5 THINK! In three minutes, write four things that you have learnt from the text. Tell the class.

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