Are we running out of sperm?
From Howtown.
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Our sources: https://docs.google.com/document/d/1Nz-xk5bSglDnV9OLBmhgzKR2wZit2z3eY9T21xzo-tA/edit?usp=sharing
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Bev Fong
Sean Barrett
Albychen
avaren
Evan Hass
Mark Tinker
L.A. O’Connor
Marcos Huerta
Joaquim Salles
Sam Gaty
Edgar Sutawika
Navneet
Pedro ZM
MW
Dimi
Bryce Golden-Chen
Estelle Caswell
Gregory Laborde
Yash Murthy
Christopher Asplund
Matthew Stvartak
Slightly Suspicious Mind
Kellyn Lorentzen-Goler
omg.science
Duncan Stannett
Keith England
Jocelyn Tabancay Duffy
Casey Schatz
Mark McCreary
Branden Ushjima
Dr Esh | Second Opinion
Wookiee Henderson
Byung-Cheol Cho
Frances Haugen
Gilbo Jiménez
Roy Lara
Melanie Halley
Dmitry
Archie Stonehill
Ed Martini
Jamieson Urquhart
Nate Hingst
Jay McZara
Scott Heimendinger
Thin Air
Noëmie
Gregory Batson
Ritvik
Mrglenna
Deborah Clark
Larry Fizz
Michael Thomas
Jamie
Bobby
hoang tung tran nguyen
WhateverReason
Mickey Snell
Michael
Hope Morton
Bryce Schuebert
Ryan Lind
Sarah Espedido
Rhys Mataira
Rohit Gupta
Ad-read music:
"Dover" by The Westerlies
Chapters:
00:00 where you live
00:59 the sperm debate
01:27 quality issues??
03:18 the global decline measured
03:52 walter filters for sale!
05:03 counting sperm is hard
05:44 the "confetti factory"
07:32 a sticky problem
09:41 how to end the debate
12:11 what caused the cold spot?
12:49 the Seveso disaster
14:04 pesticides shmesticides
14:44 endocrine disruptors 101
16:08 what effects sperm?
17:28 fertility worries
19:02 final thoughts
20:04 credits
Are sperm counts declining? Are microplastics and pesticides affecting male fertility? Does a low sperm count mean you’ll struggle to have children? Howtown investigates the science behind male infertility and headlines warning of a global “sperm crisis” or “spermageddon.”
With Dr. Esh and researchers Hagai Levine, Shanna Swan, Allan Pacey, and Dolores Lamb, we examine sperm concentration, sperm motility, sperm morphology, and why semen analysis is surprisingly difficult. What do the influential sperm count meta-analyses actually reveal about reproductive health?
A study of nearly 3,000 Swiss men launches our investigation into pesticides, microplastics, plastic additives, flame retardants, and endocrine disruptors. We explore the Seveso dioxin disaster and a Netflix documentary’s experiment in reducing plastic exposure.
We also examine age, smoking, illness, varicoceles, and lifestyle—and what sperm quality can tell us about getting pregnant. Do long-term studies, infertility rates, and time to pregnancy support claims of a worldwide fertility crisis? What remains uncertain?
Our sources: https://docs.google.com/document/d/1Nz-xk5bSglDnV9OLBmhgzKR2wZit2z3eY9T21xzo-tA/edit?usp=sharing
To support independent science journalism and get bonus content ...
JOIN OUR PATREON: https://www.patreon.com/Howtown
Instagram: https://www.instagram.com/howtown_videos
TikTok: https://www.tiktok.com/@howtown_
We are so thankful for the generous people who support this channel through our Patreon Town Council:
Bev Fong
Sean Barrett
Albychen
avaren
Evan Hass
Mark Tinker
L.A. O’Connor
Marcos Huerta
Joaquim Salles
Sam Gaty
Edgar Sutawika
Navneet
Pedro ZM
MW
Dimi
Bryce Golden-Chen
Estelle Caswell
Gregory Laborde
Yash Murthy
Christopher Asplund
Matthew Stvartak
Slightly Suspicious Mind
Kellyn Lorentzen-Goler
omg.science
Duncan Stannett
Keith England
Jocelyn Tabancay Duffy
Casey Schatz
Mark McCreary
Branden Ushjima
Dr Esh | Second Opinion
Wookiee Henderson
Byung-Cheol Cho
Frances Haugen
Gilbo Jiménez
Roy Lara
Melanie Halley
Dmitry
Archie Stonehill
Ed Martini
Jamieson Urquhart
Nate Hingst
Jay McZara
Scott Heimendinger
Thin Air
Noëmie
Gregory Batson
Ritvik
Mrglenna
Deborah Clark
Larry Fizz
Michael Thomas
Jamie
Bobby
hoang tung tran nguyen
WhateverReason
Mickey Snell
Michael
Hope Morton
Bryce Schuebert
Ryan Lind
Sarah Espedido
Rhys Mataira
Rohit Gupta
Ad-read music:
"Dover" by The Westerlies
Chapters:
00:00 where you live
00:59 the sperm debate
01:27 quality issues??
03:18 the global decline measured
03:52 walter filters for sale!
05:03 counting sperm is hard
05:44 the "confetti factory"
07:32 a sticky problem
09:41 how to end the debate
12:11 what caused the cold spot?
12:49 the Seveso disaster
14:04 pesticides shmesticides
14:44 endocrine disruptors 101
16:08 what effects sperm?
17:28 fertility worries
19:02 final thoughts
20:04 credits
Are sperm counts declining? Are microplastics and pesticides affecting male fertility? Does a low sperm count mean you’ll struggle to have children? Howtown investigates the science behind male infertility and headlines warning of a global “sperm crisis” or “spermageddon.”
With Dr. Esh and researchers Hagai Levine, Shanna Swan, Allan Pacey, and Dolores Lamb, we examine sperm concentration, sperm motility, sperm morphology, and why semen analysis is surprisingly difficult. What do the influential sperm count meta-analyses actually reveal about reproductive health?
A study of nearly 3,000 Swiss men launches our investigation into pesticides, microplastics, plastic additives, flame retardants, and endocrine disruptors. We explore the Seveso dioxin disaster and a Netflix documentary’s experiment in reducing plastic exposure.
We also examine age, smoking, illness, varicoceles, and lifestyle—and what sperm quality can tell us about getting pregnant. Do long-term studies, infertility rates, and time to pregnancy support claims of a worldwide fertility crisis? What remains uncertain?
