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Weight Loss

Losing fat and keeping it off, diet patterns, fasting, protein, and training, plus how body weight ties back to hormones and fertility.

26Studies

26Human studies

2026Most recent

11Countries

Life's Essential 8 score and its association with sperm quality parameters in reproductive-aged men: evidence from the Led-Fertyl cohort.

Human reproduction open2025n = 223

Cross SectionalHuman

This study looked at whether a heart-healthy lifestyle is linked to better sperm quality in young men, using the American Heart Association's Life's Essential 8 score. That score rates eight…

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Obesity has a detrimental impact on temporal decline of sperm quality in normospermic patients: insights from a cross-sectional study of 2,430 patients over 14 years.

Reproductive biology and endocrinology : RB&E2025n = 2,430

Cross SectionalHuman

This study looked at whether obesity speeds up the decline in sperm quality that has been seen over time. Researchers reviewed semen tests from 2,430 men with normal sperm counts…

Better Fertility Fertility & Sperm Male Infertility

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Role of Mediterranean Diet and Ultra-Processed Foods on Sperm Parameters: Data from a Cross-Sectional Study.

Nutrients2025n = 358

Cross SectionalHuman

This study looked at how diet relates to sperm quality, comparing the Mediterranean diet, which is built on seasonal, fresh and whole foods, against ultra-processed foods, which are high in…

Better Fertility Diet & Nutrition Diet optimization

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