The number of units of the product consumed per day (e.g., cigarettes per day) and the way in which individuals consume each unit of the product (e.g., puffing profiles)
Traditional hash-making methods have existed for centuries, with the process focusing on collecting the resinous trichomes from cannabis plants
The tobacco lords, resplendent in their scarlet cloaks, gold tipped canes and flowing wigs, liked to convene in Trongate, which became known as the Plainstanes, the first paved street in the town.A new etiquette was devised for the nascent nobility who paraded along the Plainstanes: For one of the shopocracy to speak to a tobacco aristocrat on the street, without some sign of recognition from the great man, would have been regarded an insult
Cotinine has a longer half-life (~ 1620 hours) than nicotine (~ 2 hours), making it a stable marker for recent tobacco use