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.
Fire, Water, Air, Earth. Not only our planet, but also the entire universe is formed from material particles in the act of Elements. It is just the dissimilarity of the elements to which we owe many thanks for the diversity of the world we live in. However, all things visible and invisible originate from only one source of life.