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Follow May. 10, 2021 Is humankind really facing “Spermageddon,” a decline in sperm count that could spell the end of the species? Maybe, maybe not. A new paper by researchers from Harvard University, MIT and other top-notch institutions provides an alternative interpretation of the facts cited in a 2017 meta-study, which warned of a drastic 60 percent drop in sperm count in the West during the last 50 years. The original paper, by Hagai Levine of the Hebrew University-Hadassah School of Public Health and Community Medicine, Shanna Swan and colleagues, said that sperm concentration (the number of sperm per milliliter) had plunged by 52.4 percent in the West. ....
E-Mail IMAGE: A new study from the Harvard GenderSci Lab in the journal Human Fertility, The Future of Sperm: A Biovariability Framework for Understanding Global Sperm Count Trends questions the panic over. view more Credit: Harvard GenderSci Lab A new study from the Harvard GenderSci Lab in the journal Human Fertility, The Future of Sperm: A Biovariability Framework for Understanding Global Sperm Count Trends questions the panic over apparent trends of declining human sperm count. Recent studies have claimed that sperm counts among men globally, and especially from Western countries, are in decline, leading to apocalyptic claims about the possible extinction of the human species. ....
Credits: Image: Joseph Lee Terms of Use: Images for download on the MIT News office website are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to size. A credit line must be used when reproducing images; if one is not provided below, credit the images to MIT. Caption: A new study examines the impact of race and gender on Covid-19 outcomes. Caption: “It matters so much to think about and pay attention to the ways different social identities and structural factors affect vulnerabilities. It shows the power of an intersectional analysis,” says co-author Marion Boulicault PhD ’20. ....
Black Women In Georgia and Michigan Died From COVID-19 At Nearly 4 Times The Rate Of White Men, Study Finds The findings were perplexing to the Harvard researchers, considering men overall are dying at far higher rates from COVID-19 than women. Today Researchers from Harvard University have released an alarming report that found Black women in Georgia and Michigan were dying from COVID-19 at nearly four times the rate of white men. Since COVID-19 emerged last year, multiple studies have shown that Black people are generally dying at a much higher rate than white people in the United States. But other studies, and the raw numbers themselves, have stated that men generally die from COVID-19 far more often than women. ....