It has been suggested that the role of leptin in most cases of human obesity is a:
A) major role, since injections of leptin decrease people's appetites.
B) minor role, since human fat cells secrete very little of this protein.
C) major role, since injections of leptin speed up metabolism.
D) minor role, since dozens of others genes and body chemicals are involved.

Question

Quizplus · Accepted Answer

While leptin does play a role in regulating appetite and metabolism, it is just one of many factors involved in obesity. Dozens of genes and body chemicals contribute to the development of obesity, making leptin's role relatively minor in the grand scheme of things.

It Has Been Suggested That the Role of Leptin in Most