Which type of fat may lower the risk of heart disease? a. trans fat b. cholesterol c. unsaturated fat d. saturated fat

I say the answer would be C. Unsaturated fat because as studies shows, eating foods rich in unsaturated fat improves blood cholesterol levels, which can decrease the risk of heart disease. 

Hope it helps! ;) 

Definitely C will help lower the risk of heart disease

Answer in 2009 barack obama signed into law the family smoking prevention and tobacco control act, the new law (h.r.   1256) represents the most sweeping action taken to date to reduce what remains the leading preventable cause of death in the united states;