If you've got sun shining on glass jars they'll heat pretty quickly, and when that sun disappears, cool just as quickly again, especially in air conditioning
American Journal of Public Health, 98 (10), 1886-1893
In addition to a variety of nitrosamines, other cancer-causing substances in smokeless tobacco include polonium210 (a radioactive element found in tobacco fertilizer) and polynuclear aromatic hydrocarbons (also known as polycyclic aromatic hydrocarbons) (1)
It is, indeed, much to be regretted that small plots of ground, in the immediate vicinity of the metropolis more especially, are too often converted into flower gardens and shrubberies, or used as mere play-grounds for children, when they might more usefully be employed in raising vegetables for the family
They then sell these products alongside other smokeless tobacco products like moist snuff, dipping tobacco, snuff tobacco, and even nicotine pouches