Addiction: Central nervous system (CNS) stimulants are addictive, even if they are not abused. Many factors, including the patient's personal history, the type of stimulant that is being taken, the dose of the drug, and duration of use, influence how likely an individual is to become addicted.
The source of all waves - mechanical or electromagnetic - is something that is vibrating. Matthew Donovan.
The ultimate source of energy for all life on Earth is the sun. Every form of life on Earth is dependent upon others, and without sunlight, most life on Earth would cease to exist rather quickly. Continue Reading.