It is the street term given to the class of drug known as B amphetamine sulphate. At times speed is used to refer to other kinds of amphetamines.
Many people take speed to have high energy, enhance alertness and go many hours without sleep this is obtained by the stimulating properties of speed.
Below are other well-known impacts and risks associated with the use of speed.
Excitement, feeling high and talkative.
People use it as it provides them the ability to work or do things for hours without feeling exhausted, such as dancing, chatting, and taking part in social activities.
It has the ability to make someone extremely active, worked up or even acutely psychotic (this is a mental condition when you see or hear things that seem real but does not really exist and have hallucinations).
After the high, a long gradual comedown results that can lead to feelings of depression and irritability.
Speed causes strain on the heart thus one risks heart problems - and it has resulted to deaths if taken in high quantities.