1.health insurance

2.cancer causes the death of Obama's grandma

3.exercise does not always keep health.

  -according to Exercise topic, we have two sides:

      + exercise is the best way to be healthy.

      + Exercise is not enough

 - The fact is that all the result of the benefits of exercise is not really clear.

 - the researchers dont mention about the condition of the people who participated the  experiment.

 - Moreover, the guy who has been exerciesed for whole of his life but he is short and really fat.

4.The new virus was found in South Africa:

 - just like SARS, it's dangerous and cause deaths in Africa.

 - it propagate from animals to human being.

5.The value of voting in politics:

 - the psycologist try to get the handle on how people make voting decisions

 - Voting decisions have been affected by emotion

 - Researches analyze the human brain when they make a voting decisions.

6. The effect of mental illness in the birthchild and newborn:

 - the mothers with mental illness will increase the risk of death in their children.

  Diseases from animals

7. a new virus can kill mosquitoes.

 - the virus can kill and prevent mosquitoes from propagate Malaria to human being.

 - this viris can passed from mother mosquitoes to their children.

8. Human death from animals diseases on the rise.

 - more and more people's death are effected by animals.

 - some diseases such as bird flu not only can transmit from animals but also from human to human.

9. Disease from deer

 - The meet of deer with chronic wasting disesase has been found to contain the infectious prions.

 - No evidence can show that this disease has been passed to human.