Biscuit (bread) cooking, most often based on ground wheat and warmed with gravy. The biscuit emerged as a distinct food type in the early 19th century, before the American Civil War. Cooks created a cheaply produced addition for their meals that required no yeast, which was expensive and difficult to store. With no leavening agents except the bitter-tasting pearlash available, beaten biscuits were laboriously beaten and folded to incorporate air into the dough which expanded when heated in the oven causing the biscuit to rise. In eating, the advantage of the biscuit over a slice of bread was that it was harder,
The dose makes the poison The dose makes the poison "The dose makes the poison" () is an adage intended to indicate a basic principle of toxicology. It is credited to Paracelsus who expressed the classic toxicology maxim "All things are poison, and nothing is without poison, the dosage alone makes it so a thing is not a poison." This is often condensed to: "The dose makes the poison" or in Latin, . It means that a substance can produce the harmful effect associated with its toxic properties only if it reaches a susceptible biological system within the body in a high enough concentration (i.e.,