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News: Boxers Or Briefs? Experts Disagree... (NPR News) - Behind the headlines

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Media coverage of health and science topics

NPR News Aug. 8, 2018

Boxers Or Briefs? Experts Disagree Over Tight Underwear's Effect On Male Fertility

by Paul Chisholm

The jury's still out on whether underwear preference matters to male fertility, but men who wear briefs, or other tight options, were found to have slightly lower sperm counts in a new study.

Read more at NPR News

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Research findings and data from the National Library of Medicine

PubMed articles

Hum Reprod SEPT. 1, 2018

Type of underwear worn and markers of testicular function among men attending a fertility center

L Mínguez-Alarcón et al

Men had a median (interquartile range) age of 35.5 (32.0, 39.3) years and BMI of 26.3 (24.4, 29.9) kg/m2. About half of the men (53%; n = 345) reported usually wearing bo …

Andrology MARCH 3, 2016

Choice of underwear and male fecundity in a preconception cohort of couples

KJ Sapra et al

Our objective was to investigate the relationship between male underwear-type worn during daytime/bedtime and male fecundity as measured by semen quality and time-to-preg …

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CNN News AUG. 8, 2018

Is your underwear helping or hurting your chances of becoming a father? | CNN

Men who wear looser-fit boxer shorts have higher sperm concentration but a lower follicle stimulating hormone level than men squeezed into tight underwear, a new study finds.

The Guardian AUG. 8, 2018

Wearing boxer shorts boosts sperm count, scientists say

Looser fitting underpants keep testicles cool, resulting in 25% more sperm being produced

CNN News APRIL 25, 2019

Boosting male fertility with diet and weight loss | CNN

What do canned tomatoes, walnuts and seafood have in common? They are foods that may help men with fertility issues.

The New York Times MAY 30, 2019

Stress Early in Pregnancy Tied to Lower Sperm Counts in Adult Sons (Published 2019)

“The time to get pregnant is when you’re healthiest, both physically and psychologically,” said one researcher.

CNN News NOV. 18, 2022

Sperm counts may be declining globally, review finds, adding to debate over male fertility | CNN

Over the past 50 years, human sperm counts appear to have fallen by more than 50% around the globe, according to an updated review of medical literature.