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This review reinforces both the validity of that advice and the fact that more precise advice cannot be offered
Studies have detected diacetyl in up to 75% of flavored e-cigarettes tested, even in products labeled "diacetyl-free." The American Lung Association has expressed serious concern about these flavoring compounds and their potential to cause permanent respiratory damage
The Environmental Working Group (EWG) reviewed 10 research studies on the topic and found that significant changes in sperm density and motility were associated with men who kept their cellular phones in their pants pockets or on their belts
Smoking had an adverse impact on both sperm concentration and total sperm counts with smokers having significantly lower sperm concentrations (median 60 versus 66 10 6 /ml, P = 0.02) and lower total sperm counts, (177 versus 226 10 6 , P 3.0.CO;2-F Harlev A, Agarwal A, Gunes SO et al (2015) Smoking and male infertility: an evidence-based review
Tom Reinsfelder is Distinguished Librarian at Penn State
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