What did a randomized, placebo-controlled, double-blind study of a food that costs pennies a day for ragweed allergy sufferers find? A “great deal is asked of our immune system. It is firstly required to respond rapidly and violently to invaders, but at the same time limits both the duration of its response and the collateral damage to the host.” Anaphylactic shock, which is “defined as ‘a serious allergic reaction that is rapid in onset and may cause death’”—like when someone with a peanut allergy dies after eating one—is an example of an overactive immune response. The flip-side is an underactive immune response, which can put you at risk for infection. If you suffer a severe trauma, for example, it’s not enough to get to a level 1 trauma center. Death related to sepsis, or blood infection, is still a major problem, and a “primary factor in the development of sepsis is depression of host-immune response after severe injury”—that is, …