Castor oil: The awesome and the not-so-hot

Castor oil is an incredible substance obtained by pressing the seeds of the castor plant, Ricinus communis (Euphorbiaceae). It is a clear, flavorless oil that has been used for medicinal use in ancient Egypt, China, Persia, Africa, Greece, Rome, and started to be used in Europe and the Americas in the 1600s. Centuries ago, the […]