A waxwork of Captain America on display at Madame Tussauds in Bangkok, Thailand.
Doping is condemned in sports. But what about in the military? Should soldiers be allowed or even encouraged to take drugs that make them superior fighters and more likely to complete a mission?
We've got better at managing the health risks of traditional drugs of abuse, but novel psychoactive substances, or 'legal highs', are a dangerous unknown.
In Australia, cocaine is most commonly snorted.
Cocaine is the second most commonly used illicit substance in Australia, after marijuana.
For people with ADHD, Ritalin helps improve concentration and focus.
Kids in classroom from www.shutterstock.com
Ritalin is the most common brand name for methylphenidate, a stimulant used to treat attention deficit hyperactivity disorder (ADHD).
What’s in the bag?
Changing drugs laws can have some very unexpected consequences.