Drugs and how they work...

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Across
  1. 5. A type of antibiotic which has an effect on many species of bacteria
  2. 7. Drugs that treat disease within bodies
  3. 9. Drugs are broken down in the body by these
  4. 11. A well known drug that causes psychedelic visions
  5. 12. Substances that tend to be illegal due to their more severe effects
  6. 14. Mood enhancing drugs which give the user a short lived feeling of wellbeing and energy
  7. 16. The state a person gets to when they cannot survive without a drug
  8. 17. Nicotine and Heroine effect this by combining with protein molecules on the cell membranes of certain cells
  9. 18. A white powdery substance which gives the user a short lived feeling of wellbeing and energy
Down
  1. 1. A test to find out if a person has been using drugs
  2. 2. The state that many bacteria can reach when repeatedly exposed to antibiotics
  3. 3. Drugs that cause psychedelic visions for the drug users
  4. 4. A popular socially acceptable drug that people take to help them relax or concentrate
  5. 6. A person may feel these if they are trying to give up a drug
  6. 8. Many substances have the potential to be this
  7. 10. Any substance that is taken into the body that alters or influences chemical reactions within the body
  8. 13. A type of antibiotic which only effects a few species of bacteria
  9. 15. This can build up in a person if they have been using a substance for a prolonged period of time