If you're not familiar with hops, they are the flowers of the plant species Humulus lupulus. Hops have been used to make beer since as far back as the year 736. Depending on the variety of hops used, they can add floral, fruity, or citrus flavor to your brew. They are also responsible for beer's signature bitterness (although bitterness can be controlled during the cooking process). Hops can also be used medicinally. They have been shown to have a relaxing effect and can be brewed into various teas and other drinks. Some hops can even be eaten as is. It's very important to note that…