• Long-term use puts a strain on the heart.

• Users can suffer panic attacks and anxiety.

• Using speed can lead to mental illness such as psychosis. Anyone who has a history of mental illness should not take speed.

• Snorting speed powder can cause damage to the soft tissue in the nostrils.

• Tolerance can develop, which means the user needs more to get the same effect.

• If used regularly, speed can cause depression, tiredness and eating problems.

• Sharing injecting equipment puts users at risk of dangerous infections like HIV and hepatitis.

• Speed paste may be stronger than the powder.