Researchers already know that being a smoker increases the risk of cognitive decline and dementia, but it was unclear up until now exactly how cigarettes changed the structure of the brain
In fact, because the filter causes the smoker to inhale more deeply and more frequently to obtain the needed nicotine and the flavor, thus increasing exposure to poison gases like carbon monoxide, cyanide, and ammonia, filtered cigarettes increase the risk of emphysema, lung cancer, and heart disease
Singh S, Windle SB, Filion KB, Thombs BD, O'Loughlin JL, Grad R, Eisenberg MJ (2020) E-cigarettes and youth: patterns of use, potential harms, and recommendations
Northern Mexico This region in Mexico is dominated by livestock exports, specifically from the states of Chihuahua, Durango and Sonora
Opioids (heroin, oxycodone) constrict pupils (pinpoint), which is also known as miosis