Prodrug not its intended target. This reduces adverse or unintended effects of a drug, especially important in treatments like chemotherapy, which can have severe unintended and undesirable side effects. Many herbal extracts historically used in medicine contain glycosides (sugar derivatives) of the active agent, which are hydrolyzed in the intestines to release the active and more bioavailable aglycone. For example, salicin is a β-D-glucopyranoside that is cleaved by esterases to release salicylic acid. Aspirin, acetylsalicylic acid, first made by Felix Hoffmann at Bayer in 1897, is a synthetic prodrug of salicylic acid. However, in other cases, such as codeine and morphine,
Cupboard love is formed when the mother satisfies her infant's basic needs. However, they argue on how these needs are met. Psychoanalysts debate that a baby can only be gratified through physiological means (feeding, security, etc.). Whereas, behaviorists contend that conditioning is more probable. Regardless, each theory suggests that attachment is a form of “cupboard love” as the mother is only loved because she satisfies her infant's needs. Psychoanalytic theory focuses on personality organization, specifically the dynamics of personality development. Sigmund Freud theorized that an infant’s instinctual needs for food, security, and oral sexual gratification are all satisfied by the mother. Through