Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm counts and quality since the 1940s. A more recent study found that male infertility rates increased nearly 80% from 1990 to 2019. The reasons driving this trend…
Category: 5. Health
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Anti-trans measures don’t just target transgender men and women – a sociologist explains how ‘male’ or ‘female’ categories miss the mark for nonbinary Americans
Since his inauguration in January 2025, President Donald Trump has issued several executive orders that seek to limit federal recognition of transgender people. These orders have attempted to ban transgender athletes from women’s sports, require identity documents to label people as
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Having ADHD And Living In A Smaller City Might Increase Obesity Risk: Study
Photo: Lino Mirgeler/dpa (Photo by Lino Mirgeler/picture alliance via Getty Images)
Attention deficit hyperactivity disorder (ADHD) is usually associated with the image of a child jumping off walls and being physically active. Still, a recent study found that…
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Caitlin Clark Sidelined For 2 Weeks With Quad Strain
INDIANAPOLIS, INDIANA – MAY 20: Caitlin Clark #22 of the Indiana Fever during the game against the … More
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Zika virus uses cells’ ‘self-care’ system to turn against host
A new study reveals the biological secret to the Zika virus’s infectious success: Zika uses host cells’ own “self-care” system of clearing away useless molecules to suppress the host proteins that the virus has employed to get into those cells in the first place.
While these cell surface…
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New study analyzes air quality impacts of wildfire smoke
With wildfires increasing in frequency, severity, and size in the Western U.S., researchers are determined to better understand how smoke impacts air quality, public health, and even the weather. As fires burn, they release enormous amounts of aerosols — the vaporized remains of burning trees…
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Mitochondrial DNA mutation accumulation may not be a determining factor in aging
Mutations accumulated in mitochondrial DNA associated with aging were earlier believed to cause aging by decreasing the energy-producing function (mitochondrial respiratory function). In this study, researchers at University of Tsukuba demonstrated that mitochondrial respiratory function is not…
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Study quantifies the sleep loss and disruption experienced by new mothers
A new study to be presented at the SLEEP 2025 annual meeting quantifies the amount of sleep loss experienced by first-time mothers in the weeks after giving birth and is the first to identify the unique type of sleep disruption that persists throughout the first months of motherhood.
Results…
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Location matters: Belly fat compared to overall body fat more strongly linked to psoriasis risk
Researchers have found that central body fat, especially around the abdomen, is more strongly linked to psoriasis risk than total body fat, particularly in women. This link between central fat and psoriasis remained consistent regardless of genetic predisposition, indicating that abdominal fat…
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Wilms tumors: How genes and imprinting pave the way for cancer
A research team at the Biocenter of Julius-Maximilians-Universität Würzburg (JMU), together with cooperation partners at the Wellcome Sanger Institute in Cambridge (UK), has taken a significant step towards understanding Wilms’ tumors, malignant kidney tumors in young children. Using samples…
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