1. UPF diet led to weight gain of 1.3-1.4 kg.
2. Hormonal changes observed include lower testosterone and follicle-stimulating hormone.
3. Sperm motility decreased with UPF diet.
4. Cholesterol levels and diastolic blood pressure increased.
5. Environmental markers shifted with diet changes.
6. Study involved 43 healthy men aged 20-35.
7. Findings should be cautiously interpreted as exploratory.
8. Short intervention periods may not reflect long-term effects.

Source: Cell Metabolism