These mushrooms grow wild in the UK and contain drugs called ´psylocin´ and ´psilicybin´. They are almost the same as LSD. This is a class A drug, if prepared for use. Known As: Shrooms, or Mushies. Looks Like: They look like any other mushroom. In fact, one of the biggest dangers with mushrooms is picking the wrong ones. Some species are highly poisonous. Apparent Positive Effects: These change perceptions of time, place, colour and sound. Low doses produce happiness and detachment. The Downside: A bad trip can occur similar to that of LSD. Sometimes anxiety and panic occur. Sickness, vomiting and stomach pain often occur. They can complicate mental health problems.