This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Intake of unsaturated fatty acid is associated with: 
Select and explain. 
A. Increased risk of cardiovascular disease, B. Decreased risk of cardiovascular disease, C. Increased risk of GI disturbances, D. Decreased risk of GI disturbances
B: Decreased risk of cardiovascular disease
Answer: B: Decreased risk of cardiovascular disease 
Explanation: Diets deﬁcient in fresh fruit, vegetables and polyunsaturated fatty acids are associated with an increased risk of cardiovascular disease. The introduction of a Mediterranean-style diet reduces cardiovascular events. However, dietary supplements, such as vitamins C and E, beta-carotene, folate and ﬁsh oils, do not reduce cardiovascular events and, in some cases, have been associated with harm.
Reference: : Davidson P R I N C I P L E S   and Practice O F M E D I C I N E 23rd edition page no  486