Propolis while also collecting water and tree resin necessary for the production of propolis. The chemical composition and nature of propolis depend on environmental conditions and harvested resources. For centuries, beekeepers assumed that bees sealed the beehive with propolis to protect the colony from the elements, such as rain and cold winter drafts. However, 20th century research revealed that bees not only survive, but also thrive, with increased ventilation during the winter months throughout most temperate regions of the world. Propolis properties may include: The composition of propolis varies from hive to hive, from district to district, and from season to
Substance abuse prevention It has grown to be a unifying symbol of family and community dedication to preventing the use of alcohol, tobacco, and illicit drugs among youth. Substance abuse prevention Substance Abuse Prevention, also known as drug abuse prevention, is a process that attempts to prevent the onset of substance use or limit the development of problems associated with using psychoactive's substances. Prevention efforts may focus on the individual or their surroundings. A concept known as "environmental prevention" focuses on changing community conditions or policies so that the availability of substances is reduced as well as the demand. Substance abuse prevention efforts