Sometimes people get caught in a “downward spiral,” a case in which something leads to a result which in turn leads to more of the original thing, bringing on more of the result. As the process continues, the result continually gets worse and worse. An example is when people turn to binge eating when depressed, which causes them to put on weight and feel unhealthy, which then makes them more depressed, leading to more overeating, and so on.

The author is mainly concerned with (Points : 1)
convincing people not to overeat
explaining the process of the “downward spiral”
showing how overeating can lead to depression
showing how some processes lead to surprising results

What do you think the main idea of this paragraph is? If you attempt to answer the questions with explanations, the tutors will be more willing to help you.

The author is mainly concerned with explaining the process of the "downward spiral." This can be inferred from the given information where the author describes the concept of a downward spiral and provides an example of how it can manifest in the behavior of binge eating leading to weight gain and increased depression, which further perpetuates the cycle. The author is not trying to convince people not to overeat or specifically discussing how overeating can lead to depression, but rather focusing on illustrating how the downward spiral operates.