"The endocrine system - the group of organs and glands responsible for releasing hormones that regulate key bodily functions - is sometimes compared to an orchestra. Each hormone is like an instrument. Playing together, in tune, they sound amazing. But what happens if, right in the middle of a concert, a violin suddenly goes wildly astray, twanging on its own? And then a clarinet starts shrieking? And then the pianist can't keep up? The music would sound like crap, right? "