What Is Thought to Account, in Part, for the Rise

What is thought to account, in part, for the rise in the prevalence of peanut allergy?

A) Excess sodium consumed as part of the peanuts.
B) Roasting peanuts at very high temperatures makes them more allergenic.
C) Impaired digestion/absorption resulting from elevated leptin and adiponectin levels.
D) Increased inflammation of the immune system due to altered ratio of omega-6 to omega-3 fatty acids.
E) Hyperstimulation of the immune system by multiple vaccines.