Using cannabis just twice a week as a teenager increases the risk of bipolar disorder in later life, according to …

  • Using cannabis 2-3 times a week at 17 increases hypomania’s risk in early 20s
  • Hypomania is an elevated mood alongside irritability or a sense of superiority
  • Other symptoms include a reduced need for sleep and frenzied speech
  • All of the aforementioned symptoms often occur in bipolar disorder sufferers
  • Approximately 6.5%, or 2.1 million adults, use cannabis every year in the UK

Alexandra Thompson Health Reporter For Mailonline