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55 A systematic review and meta-analysis of eight cohort studies totaling 168,327 men with infertility found a 43% increase in developing any type of cancer, 91% increased risk of testicular cancer, 48% increased risk of prostate cancer, and a 31% increased risk of melanoma compared to those without infertility
Smoking damages sperm DNA
Selank vs Semax: Comparing Two Russian-Developed Neuropeptides Durham Peptides Jun 4 4 min read Updated: Jun 22 Selank vs Semax tuftsin ACTH analog Russian neuropeptide comparison Durham Peptides Canada Selank and Semax are the two most-studied Russian-developed neuropeptides in current research, and they appear together so often in cognitive-research discussions that they're easy to conflate
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