No, he did not. He smoked a shag tobacco kept in a Persian slipper on the mantel. He evidently did visit a opium den during his detective work, though whether he actually smoked any opium was not...
The clear answer is no. And if that would have been the case then opium would not have been haraam/makrooh in islam.
yes you can smoke herione , i saw it on intervention !
Smoking Opium.
yes just be careful u dont inhale the ashes