Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
One example: Earth rotates on its axis once times in one day.
Solution is here: How many times does Earth rotate on its axis in one day?
Explanation: The given output correctly poses a question based on the scientific fact given.

Now, solve this: Trans fat added to certain foods to keep them fresher longer, increase(s) the risk of heart disease.
Solution:
What lipid, added to certain foods to keep them fresher longer, increases the risk of heart disease?