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The taste is consistent throughout the bowl, the burn rate is just right and there is no bite at all

Sun curing : Another curing process that can be done to tobacco leaves is sun curing

Now imagine this happening every day, wherever you go in public

In Palmeira CM, Moreno AJ (Eds.) Mitochondrial Bioenergetics: Methods and Protocols

Heavy metals (cadmium and lead) Cadmium (Cd) in soil enriched in tobacco and smoking is the primary source of Cd intake in the ordinary population.15 Cd exhibits an extremely long biological half-life in the human body (2040 years) which makes it an accumulative toxin.16 Elevated blood Cd and seminal Cd in smokers were observed, and smoking habits (cigarettes per day) were significantly correlated with Cd level.17 Animal study clearly illustrated the reproductive toxicity caused by Cd exposure including reduction of sperm cell numbers and sperm motility with increases in DNA fragmentation and sperm abnormity.18 This result is basically consistent with those of epidemiological studies before.17 Higher levels of lead (Pb) were also observed in serum and semen of both fertile and infertile smokers.19,20 In the animal study, Pb exposure decreased alkaline phosphatase and Na + -K + -ATPase activity with a dose effect indicating that Pb could impair sperm motility.21 The relationship between Pb exposure and male fertility in general population remains vague, but some indications have been described.22 Moderate exposure to Cd and Pb was not proved to impair male reproductive endocrine function but attenuated human semen quality significantly.22 This finding indicated that heavy metals from tobacco may impair male fertility though more direct ways which will be discussed later