Slightly misleading title…more like, if everyone learned this one little thing, you might know how to save a life, should you ever find yourself having to.
Allergies are so common nowadays. Think about all your family and friends, and I bet one of them has an allergy. Nuts, hay fever, penicillin. I once knew a girl who was allergic to yellow food colouring!
Most people with allergies carry EpiPens. These are adrenaline shots; so if you have an anaphylactic reaction, you or someone you’re with, has to essentially stab your leg with your EpiPen, and ring an ambulance ASAP.