Yet research shows that some of the effects of caffeine are similar to those experienced with hard drugs. But there is another side to the story - caffeine is being put to good use treating premature babies and the elderly. Thursday April 10, 8pm. For more than half a century, marijuana has been hailed as a dangerous drug. Marijuana is everywhere.
Controversy rages around the drug.
Although users claim it's harmless, the authorities refuse to legalise it. They say it's addictive, carcinogenic and causes brain damage. Science finds the truth lies somewhere in between. If you don't do it, people think you're weird. Find out answers to all these questions and more.