The size of the box increases with the number of cigarettes
An "incense burner" can be a broader term for more enclosed vessels, such as bowls or censers used for burning cones, resins, or powders, which better contain heat and ash
I mean, its just unbelievable
Teeth cleanings and exams
Obviously, these are all designed to detect smoke, and as e-cigs produce vapour and not smoke logic would tell you they shouldnt cause any kind of smoke alarm to ring, but even in a real fire situation its not the actual smoke which triggers it as mentioned, its the change to light beams or particle density which will do that
Nicotinic receptors are found in many other regions of the body besides the brain