Shanna H. Swan

Shanna H. Swan is an environmental and reproductive epidemiologist and professor at the Icahn School of Medicine at Mount Sinai who co-led the 2017 analysis showing steep declines in Western sperm counts. She wrote Count Down with Stacey Colino.

Books written by Shanna H. Swan

• Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race