Question

Why is it necessary to study environmental issues that cause ill health

Answer 1

Answer:

Environmental health research studies are valuable, but they have limits. Diseases such as cancer may not show up in our bodies for many years, so people may be exposed for a very long time before a problem is spotted. So another important research method is the testing in animals.

Answer 2

Explanation:

Environmental health research studies are valuable, but they have limits. Diseases such as cancer may not show up in our bodies for many years, so people may be exposed for a very long time before a problem is spotted. So another important research method is the testing in animals.