← all papers · obesity (18) Science journalism, not medical advice.
- Healthy Obesity Barely Moves the ED Needle2026-07-03
In 3,767 men, metabolically unhealthy obesity roughly tripled ED odds, but obesity alone with no metabolic issues didn't
Association between metabolic obesity phenotypes and erectile dysfunction: Insights from a nationally cross-sectional study erectile dysfunction obesity metabolic syndrome cross-sectional
- Most Low Testosterone Is Just Obesity2026-06-23
JAMA review puts obesity-driven low T (2–8% prevalence) well ahead of true gonadal failure (<1%), with weight loss as first-line.
Adult Male Hypogonadism: A Review hypogonadism testosterone obesity testosterone therapy narrative review
- Synbiotics Cut Oxalate — And Nothing Else2026-05-29
Synbiotic capsules reduced urinary oxalate significantly (P=.001) vs placebo over 12 weeks, but left all other stone-risk markers unchanged.
Effects of Synbiotic Supplementation on Blood and Urinary Concentrations of Factors Related to Kidney Stone Formation in Overweight or Obese Patients with Hyperoxaluria: A Randomized Controlled Trial kidney stones gut microbiome obesity oxidative stress
- Weight Loss Surgery Improved Sperm Quality — No Pregnancies Followed2026-05-23
43 obese infertile men saw testosterone rise and semen motility improve after bariatric surgery — but zero pregnancies in 12 months
The Influence of Different Bariatric Surgeries on Male Sex Hormones and Semen Parameters Among Infertile Obese Male Patients: An Observational Study male infertility obesity testosterone semen quality surgical outcomes
- Severe Sleep Apnea Suppresses Testosterone in Obese Men2026-04-22
62% of severely obese male inpatients had low testosterone; severe sleep apnea was an independent predictor, and CPAP raised T after 3 months in 14 men
The Role of Obstructive Sleep Apnea and CPAP Therapy in the Functional Hypogonadism of Male Patients With Severe Obesity hypogonadism obesity testosterone cross-sectional
- New Obesity Hurts Erections More Than Chronic Obesity2026-04-09
Brazilian men who became newly obese had 2.46× the odds of persistent ED vs. stable healthy-weight men; those already obese had 1.73×
Longitudinal Associations Between Changes in Body Mass Index and Erectile Dysfunction erectile dysfunction obesity cohort study vascular health
- Weight Loss Surgery Raises Testosterone — But Not the Free Kind2026-03-25
21 studies, 695 men: bariatric surgery improved IIEF-5 scores by 6.45 points and raised total testosterone, but free testosterone didn't move
The impact of bariatric surgery on male sexual function: a systematic review and meta-analysis obesity erectile dysfunction testosterone meta-analysis systematic review surgical outcomes
- Ginger Improves Sperm in Obese Rats — Humans TBD2026-03-20
Ginger and fenofibrate each reversed obesity-induced sperm and hormone deficits in rats — no human data exists
Effect of Ginger Extract and/or Fenofibrate on the Associated Infertility of Experimentally Induced Obese Wistar Albino Male Rats animal study obesity male infertility oxidative stress spermatogenesis testosterone
- Planet-Friendly Diet Cuts Kidney Stone Risk 19%2026-03-14
Eating closer to the EAT-Lancet planetary health diet linked to 19% lower kidney stone incidence; genetics barely changed the math
Adherence to the EAT-Lancet Diet, Genetic Predisposition, and Risk of Kidney Stone Disease kidney stones cohort study genetics obesity
- Testosterone Rescues Muscle Loss on Tirzepatide2026-03-09
Adding TRT to tirzepatide in 5 non-responding men preserved lean mass and doubled physical activity at 6 months
Effects of Testosterone Undecanoate as Add-On Therapy in Obese Hypogonadal Men That Are Late Responders to Tirzepatide: A Pilot Study hypogonadism obesity testosterone therapy erectile dysfunction metabolic syndrome
- Lifestyle Trims Help Sperm; Surgery Doesn't2026-03-01
Losing weight may help sperm quality, but the method matters—and most of the evidence is weak
The effect of obesity interventions on male fertility: a systematic review and meta-analysis male infertility obesity meta-analysis
- Ginseng Compound Raises Testosterone — In Obese Mice2026-01-28
A ginseng-derived compound raised testicular testosterone in high-fat-diet mice by activating the cAMP/PKA/CREB pathway — no human data yet
Ginsenoside Rf Promotes Testosterone Synthesis Through the cAMP/PKA/CREB Signaling Pathway to Improve Obesity-Related Male Hypogonadism animal study hypogonadism testosterone obesity traditional chinese medicine
- Childhood Obesity Shrinks Testicles Before Puberty Starts2026-01-27
Obese prepubertal boys had smaller testicular volume, shorter penis length, and lower testosterone than normal-weight peers in a 60-boy study.
Obesity Impairs Male Reproductive Development in Prepubertal Boys via Local Adipose Tissue Inflammation and the STAT3/CYP19A1 Pathway obesity male infertility testosterone pediatric urology inflammation animal study
- Three Specialties Finally Agree on Low T2026
Brazil's three major societies align on hypogonadism diagnosis and TRT — first multidisciplinary consensus for the country
Care of Patients with Male Hypogonadism: A Joint Position Statement from SBEM, SBU, and ABEMSS hypogonadism testosterone therapy metabolic syndrome obesity
- Obesity and ED: 23 Studies, Still No Clear Answer2025-12-03
23 studies, 52,981 men — and researchers still can't agree on how common ED is in obese men
Prevalence and Incidence of Erectile Dysfunction in Men With Overweight and Obesity: A Systematic Literature Review erectile dysfunction obesity systematic review metabolic syndrome
- Obesity Wrecks Fertility in Both Sexes2025-11-27
Narrative review of how adiposity impairs reproduction — admits the fix is unclear
Obesity and Infertility: A Double Whammy infertility obesity
- GLP-1 Drugs and Sperm: Mostly Rat Data So Far2025-09-26
Ozempic-class drugs may help sperm in obese men, but most of the evidence so far is from rats
Impact of GLP-1 Receptor Agonists on Male Fertility: Emerging Evidence and Future Directions obesity diabetes hypogonadism spermatogenesis animal study narrative review
- Mom's Obesity Linked to Son's Low Testosterone2025-05-14
Men whose mothers were obese during pregnancy had 5.9× higher odds of low testosterone — but only 12 of 418 men had that history
Low testosterone in primary infertile men is associated with a history of maternal obesity during pregnancy: Findings from a cross-sectional study. male infertility testosterone obesity pregnancy hypogonadism