Answer:When someone becomes depressed in certain seasons (typically happens in the winter months). However, It can happen based on events that take place during those months or simply just the weather.
Explanation:
About 95% of americans have type 2
Cereal companies are blamed for putting too much sugar into their products, which causes obesity. This is bad for them, as it would stop people from bying their products. So they would have an interest in study showing that this is not the case: the study would be a self-interest study (the correct answer) and therefore not be reliable