Cannabis Workbook – Download and do at home


Cannabis – the effects

The effects of taking cannabis can vary from person. In most cases people become relaxed and happy; some become talkative while others simply feel sick. However, studies indicate that regular use of cannabis increases the risk of a psychotic illness at a later date.

Cannabis – the risks

Using cannabis regularly can seriously harm your health. For example, the risks include:

  • Becoming anxious, panicky, or paranoid
  • Exposure to chemicals that can cause lung disease or possibly cancer, especially if you smoke a lot of cannabis for prolonged periods of time
  • Increased heart rate leading to high blood pressure
  • Increased risk of developing a psychotic illness
  • Reduced sperm count in men and suppressed ovulation in women
  • Pregnant women may give birth to a smaller baby than expected
  • Impaired concentration

Advice, Information and Harm Reduction

  • In addition, cannabis possession and supply are illegal so you are at risk of involvement with criminal justice services
  • Information about cannabis and its effects
  • We can provide advice on reducing and giving up
  • Information on safer usage
  • How and where to get help
  • Information and services for carers, partners and families of individual who use cannabis


  • Keep a diary of how much cannabis you use, who you use with, and how it makes you feel
  • Weigh up the pros and cons of your cannabis use
  • Look at the triggers for your use
  • Work out a stop or cut down date, then make firm plans to stop or cut down your use
  • Make sure you are prepared for withdrawals/ cravings
  • Get as much help as you can and keep attending
  • Complementary therapies will help with cravings/withdrawals

CGL Gloucestershire runs specific services for Cannabis use
call 01452 223 014 for details