Painkiller
Feel like you’ve got a migraine coming? Grab a paracetamol. Is your back aching? Then an ibuprofen is you. However, things weren’t always quite so convenient. Native Americans first used tea made from the bark of a black willow tree for many medicinal purposes. The tea contains a chemical called salicin, which when gets inside a person’s system it generates salicylic acid – a key component found in contemporary aspirin pills.