What is considered an important approach to problem solving and medical research?

The answer is Identification of a problem

Explanation:

Identification of a problem is the first step in problem solving and occurs before any other step. The most common cause of failure to resolve problems is the improper identification of problem/issue, therefore, problem recognition and identification is considered the most vital steps and most most important.

transportation i would say maybe sorry it its not correct

starvation is bad because your body needs nutrition and to deprive it of nutrition can cause problems with both health and fitness.

explanation:

it can make weight loss slow down over time, but it won't cause someone to gain weight depsite restricting calories. starvation causes weakness in the senses like thirst.