The Trans Fats are considered risky for human health because they increases the risk of coronary heart disease by:

Answer: [A] Raising LDL cholesterol and decreasing HDL cholesterol

The consumption of trans fats increases the risk of coronary heart disease by raising levels of LDL cholesterol and lowering levels of “good” HDL cholesterol. Consumption of trans fat be reduced to trace amounts. Trans fats from partially hydrogenated oils are more harmful than naturally occurring oils.

This question is a part of GKToday's Integrated IAS General Studies Module