For those unfamiliar with gunpowder, it is a sulfuric, metallic smell that is not dissimilar to firework smoke
The leafs global spread followed trade routes and colonial expansion
These neuropeptides bind to tachykinin (NK1, NK2, and NK3) and CGRP receptors on effector neurons to promote and modulate early inflammatory responses including vasodilation, extravasation of plasma protein, leukocyte recruitment, mucus hypersecretion, and airway constriction [113]
the profile shown in Figure 3 is designed such that the ratio of king-size to demi-size diameter of the filter is maximised, thus maximising the overall filter volume, whilst maintaining the demi-size diameter for use at the tobacco rod joint
Let me explain one common mistake