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Peanut Butter Can Kill You

18 Jul

 

Peanut butter can be deadly. If you’re allergic to peanuts.

Our immune system protects us from all sorts of bad things – – bacteria, fungi, and viruses. Our bodies recognize these foreign invaders and the immune system immediately goes to work manufacturing antibodies against the intruders. These antibody signal for help and pretty soon white blood cells show up along with their buddies known as mast cells. These cells release an array of chemicals that help damage the invaders, which are then consumed by the white blood cells. And life goes on.

But sometimes the immune system overreacts. It produces a massive amount of chemicals that can cause a drop in blood pressure, a tightening of the bronchial tubes, a leaking of fluids within the tissues and, most deadly, the lungs. We call this overwhelming reaction anaphylaxis. It is typically immediate and severe.

Such a reaction happened to Miriam Ducre-Lemay. She was allergic to peanuts. Her boyfriend had apparently eaten a peanut butter sandwich and had given her a good night kiss. Then everything went off the rails. She suffered an acute anaphylactic reaction and by the time paramedics arrived it was too late. This illustrates that it only takes a very small amount of an antigen (in this case the peanut oils in the peanut butter) to initiate a severe anaphylactic reaction.

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