The Risks

• Some users become tense and anxious while on speed.
• The comedown can last for a couple of days, leaving users feeling tired, depressed and irritable.
• In short term, memory and concentration are all affected.
• Tolerance for speed can build quickly, so bigger doses are required for the same sort of hit.
• Long-term users may become dependent on the buzz speed gives them.
• Heavy abuse over long periods can also place a serious strain on the heart and has been linked to mental illnesses such as psychosis.