Chief executive of the mental health charity Sane, Marjorie Wallace, has told Daybreak that 'celebrities are sending out the wrong message on drug use'.
She said: "It is difficult to educate young people on drug abuse when celebrities are saying its fine.
"We need to say to these people, you are playing Russian roulette with your brain."
More top news
A 6.2 magnitude earthquake has left at least 10 people dead and caused destruction near to the city of Perugia in central Italy.
Airstrikes were launched into Syria and tanks reportedly sent in as Turkey targets militants threatening its border.
Owen Smith has pledged to block formal Brexit negotiations until the government offers a second referendum or calls a general election.