← all papers · epidemiology (8) Science journalism, not medical advice.
- Folate Doesn't Move the Needle on Kidney Stones2026-05-29
Folate intake and circulating folate markers had no significant association with kidney stone disease in 9,208 US adults after adjusting for confounders.
Association Between Dietary and Circulating Folate Markers and Kidney Stones in American Adults: A Cross-Sectional NHANES Analysis kidney stones cross-sectional epidemiology biomarkers
- High Uric Acid Triples Kidney Stone Risk in Men2026-05-26
In 31,198 Korean adults, men with the highest uric acid levels had 3.5× the odds of kidney stones — women showed no such link
Association Between Asymptomatic Hyperuricemia and Kidney Stones kidney stones cross-sectional epidemiology metabolic syndrome
- Frailty Score Predicts ED—But Only Moderately2026-05-08
Frail men had 22% higher odds of ED vs. non-frail men in a 1,372-person NHANES analysis; predictive accuracy was moderate (AUC 0.662)
Association Between Frailty Index and Erectile Dysfunction: A Cross-Sectional Study Using NHANES 2001 to 2004 Data erectile dysfunction cross-sectional epidemiology biomarkers
- Lupus Roughly Doubles the Odds of Female Sexual Dysfunction2026-05-04
58.8% of lupus patients screen positive for FSD — 2.6x healthy controls, though extreme heterogeneity muddies the estimate
Prevalence of Female Sexual Dysfunction Among Women with Systemic Lupus Erythematosus: A Systematic Review and Meta-Analysis sexual dysfunction women's health immunology systematic review meta-analysis epidemiology
- Testicular Cancer's Suicide Risk Lasts a Decade2026-04-15
Men with testicular cancer had 31% higher suicide mortality than the general population; risk doubled in year one and persisted for 10 years
Persistent Suicide Risk in Survivors of Testicular Cancer: A Population-Based Cohort Study testicular cancer survivorship cohort study epidemiology
- Central Asia's Male Infertility Problem Is Getting Worse2026-04-06
Male infertility prevalence rose in 4 of 5 Central Asian countries over 32 years; incidence climbed in all five
Long-Term Epidemiological Trends and Regional Disparities in Male Infertility in Central Asia (1991-2023) male infertility health services epidemiology environmental exposure
- More Soy, Fewer Sperm? Japanese Data Stirs the Debate2026-01-13
Men in the top daidzein quartile had 32–40% lower sperm counts than lowest-quartile men — but this is cross-sectional data from a fertility clinic.
Urinary Isoflavone Concentrations and Semen Parameters of Japanese Men Seeking Fertility Treatment male infertility semen quality environmental exposure cross-sectional epidemiology
- Sexual Self-Esteem Tracks Closely With ED and PE2025-07-04
In 5,665 German men at age 50, negative body image, low sexual self-esteem, and perceived sexual pressure each independently predicted ED, PE, and low libido (all p<0.001)
Dimensions of Sexual Self-Concept and Sexual Dysfunctions in Middle-Aged Men: Results of the Bavarian Men's Health Study erectile dysfunction sexual dysfunction cross-sectional epidemiology