It is probably informal, based on the fictitious nature of the work.
Answer:
I would say "Chips and cookies are high in fats and sugars which increases the risk of obesity.", because it is a direct cause of the problem, student obesity. :)
I'll tell you. M' father, Pip, he were given to drink, and when he were overtook with drink, he hammered away at my mother, most unmerciful. It were a'most the only hammering he did, indeed, 'xcepting at myself. And he hammered at me with a wigour only to be equalled by the wigour with which he didn't hammer at his anwil. - You're a-listening and understanding, Pip?"
In this excerpt, the action of "hammering"
hope this helps
One piece swimsuit is the answer
