Cannabis can make scars disappear, reverse Alzheimer’s disease and even cure cancer – that is, if you believe some of the wilder health claims made by US firms in states where medical marijuana has been legalised.
Unfortunately, such assertions aren’t based on a shred of good evidence. Not only are consumers being ripped off, but sometimes their health is being endangered. Little wonder that the US cannabis industry is sometimes dubbed a Wild-West operation.
Although marijuana is best known as a recreational drug that gets you high, the plant has a long