Billy Caldwell
Although some medics are still reluctant to do so.
Some of them may surprise you.
The new rules apply to England, Wales and Scotland.
'It is in no way a first step to the legalisation of cannabis for recreational use.'
'A momentous occasion for us.'
Home Office minister 'profoundly moved' by case of Billy Caldwell.
Andy McDonald's son Rory died in 2006.
Health secretary announces review of current rules.
'It is disgraceful that they have taken so long to do something about it... a child is suffering.'