害もありますよと
どんだけ⇒BBC NEWS | Health | Warning over cannabis lung harm
Heavy cannabis users may be at greater risk of chronic lung disease - including cancer - compared to tobacco smokers, two studies suggest.
たばこほどでもなさそう。
どんだけ⇒BBC NEWS | Health | Warning over cannabis lung harm
Heavy cannabis users may be at greater risk of chronic lung disease - including cancer - compared to tobacco smokers, two studies suggest.
たばこほどでもなさそう。