# University of the Western Cape researchers have found that methamphetamine, commonly known as tik in South Africa, can seriously harm male fertility, even after short-term use. The groundbreaking study was led by professor David Fisher. He says they found that tik’s harmful effects on male fertility occur within 24 hours of use and some long-term effects over 96 hours:
UWC study reveals that tik threatens male fertility [SOUND]
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