Quit for one, quit for two
However, available evidence suggests that smoking may negatively affect sperm binding to the zona pellucida
Antique French Cigarette Box w/ Diamonds, Jadeite & Lapis
Rolling papers made from recycled materials pose an even greater contamination risk because the process requires additives, including lead, arsenic, cadmium, chromium, and zinc, to improve the surface texture and color, Manufacturing issues, including the use of ink and pigments in tipping paper cones, are another source of rolling paper contamination
Health-wise, 20 cigarettes a day brings notable risks, and most smokers who reach this level are well aware of its impact
Excessive heat and humidity can accelerate the deterioration of the tobacco, making it dry and harsh