constituting or forming a large number; numerous: many people. noting each one of a large number (usually followed by a or an): For many a day it rained. a large or considerable number of persons or things: A good many of the beggars were blind. the many, the greater part of humankind. many persons or things: Many of the beggars were blind.
Hives and angioedema can be caused by: 1  Foods. Many foods can trigger reactions in people with sensitivities. 2  Medications. Almost any medication may cause hives or angioedema. 3  Common allergens. Other substances that can cause hives and angioedema include pollen, animal dander, latex and insect stings.  Environmental factors.
Impulsive behavior in adults. Impulsive behavior in adults: Introduction. Impulsive behavior in adults: state of overactive restlessness. See detailed information below for a list of 12 causes of Impulsive behavior in adults, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Impulsive behavior in adults: Causes | Symptom Checker Â».