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,
Substance abuse of substance abuse. The most common chemical substance which is abused by pop musicians is cocaine, because of its neurological effects. Stimulants like cocaine increase alertness and cause feelings of euphoria, and can therefore make the performer feel as though they in some ways ‘own the stage’. One way in which substance abuse is harmful for a performer (musicians especially) is if the substance being abused is aspirated. The lungs are an important organ used by singers, and addiction to cigarettes may seriously harm the quality of their performance. Smoking causes harm to alveoli, which are responsible for absorbing oxygen.