1. To treat and prevent diseases doctors are always researching new drugs.
2. An example of a natural substance would be gold.
3. To ease pain and bring relief to a patient doctors prescribe medecine.
4. One way to destory bacteria is to regularly wash your hands.
5. Falling down and getting a bruise is an example of causing infection.
6. Modern drugs are very strong and contain a lot of ingredients.
7. Medecine is only used for medicial purposes.
8. Doctors are developing a cure for cancer.