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Human consumption of cannabis (which is commonly known as marijuana, pot or weed) is commonly thought to enhance sexual pleasure [1] [2] but there is limited scientific research on the relationship between cannabis and sex, in part due to U.S. drug policies that focus on prohibition. [3]
Male cannabis use has been associated with reduced fertility and decreased sperm counts. [94] Initial epigenetic studies have shown that male cannabis use causes widespread DNA methylation changes in sperm, resulting in lower rates of fertilization and higher rates of miscarriage. [95]
The practice of tucking can reduce both the sperm count and sperm quality. [41] Meta-analysis indicates that mobile phone exposure affects sperm quality negatively. [42] Regarding diet, malnutrition or an unhealthy diet can lead to e.g. Zinc deficiency, lowering sperm quality. Sperm quality is better in the afternoon than in the morning. [43]
Experts say that a man’s sperm health does, in fact, play an important role not only in conception but also in the health of the pregnancy, the mother and the future little human — and that ...
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Frequent use of mobile phones by young men was linked to a lower sperm count, a new study found, but questions remain. Frequent use of mobile phones by young men was linked to a lower sperm count ...
Another meta-analysis in 2022, again led by Hagai Levine, reported that sperm concentration declined by 53.3 percent and sperm count by 56.3 percent in Western countries (1973-2015), and by 27.6 and 24.7 percent respectively, in non-Western countries (1986-2018). [5]
Marijuana's official designation as a Schedule 1 drug — something with "no accepted medical use" — means it is pretty tough to study. Yet both a growing body of research and numerous anecdotal ...