The positive factors of Science on human is that they have helped man come up with medication of various ailments.

In science, positive correlation is a general positive slope in something. Often times this is represented with a graph, using many points of data, for instance, height vs age would be a positive correlation. The meaning of positive correlation in both science and math are very, very similar. Only the scenarios they are used in differ.

There is no such thing as a "science application for anorexia".

Science would say no, but then again science is always changing. Also I've actually seen a family like this except that it was the father who was O positive.

There are many positive and negative impacts of science and technology on humans. Some things have helped people, while others have hurt people.