The key answer of exercise 2

a)

1. There were two experiments. One was where Morgan Spurlock ate three McDonald's meals every day for a month. He also had to agree to 'super-size' the meal each time an employee asked if he wanted to. In the second experiment, scientists compared the behaviour of rats who were fed a low-fat diet over the same period.
2. Similar results - in both experiments, the high-fat diets high led to severe health damage.

b)

1. a much large amount
2. eat / drink a lot of food containing high levels of fat
3. getting fatter and heavier was one bad consequence of the experiment - but there were others too
4. a way of quickly predicting what your future life will be like
5. consequences which will happen quickly as opposed to long-term effects, where it takes much longer to see the consequences
6. bring about more damage