These days it can feel like anyone can be allergic to anything– with sensitivities ranging from common allergies to certain foods and animals to more unusual things, like semen or the chemicals used to treat leather. But is that true–ARE we becoming more allergic to things? What IS an allergy anyway and what are things that simply mimic an allergic reaction? Can you have a temporary allergy, and do we ever develop them later in life? In this episode, Dr. Jen explores theories of how allergies evolved and shares how to get tested – legitimately – to see if you really have one. For the full text transcript visit: https://go.ted.com/BSTscript13