19 June 2026
Nature staff discuss preliminary data on the effects of GLP-1 drugs on male fertility, plus a two-year trial of a brain–computer interface.
By
Shamini Bundell &
Nick Petrić Howe
Hear the biggest stories from the world of science | 19 June 2026
Un brain-computer interface ha restituito controllo motorio a pazienti neurodegenerativi, confermato in trial di due anni. Segnala la maturità della neurotecnologia clinica e il potenziale dell'AI medica nei device impiantabili per gestire disabilità progressive.
19 June 2026
Nature staff discuss preliminary data on the effects of GLP-1 drugs on male fertility, plus a two-year trial of a brain–computer interface.
By
Shamini Bundell &
Nick Petrić Howe

Scientists may have found another benefit of GLP-1 medications

Weight loss jabs may boost fertility in obese men, study finds

Weight-loss drugs may raise testosterone and improve sperm quality, early data suggest

Weight-loss drugs may also help boost men’s fertility, study finds

Can GLP-1s boost testosterone levels?

Another possible benefit of GLP-1s? Improved male fertility | CNN

Fertilità maschile, i farmaci per diabete e obesità migliorano il testosterone

Lilly's retatrutide has been offered to a single person via 'compassionate use' program

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Preliminary study finds that testosterone levels increase or stabilize in people taking GLP-1 medications.

Estimates range from 17 to 995.5. Plus, one man with paralysis is using a brain– computer interface at home and GLP-1 obesity…

Weight loss jabs could transform fertility treatment, experts say, after a study linked the jabs to improved testosterone levels…

New scientific review suggests GLP-1 drugs such as Ozempic, Wegovy and Mounjaro may improve reproductive health in men with…

GLP-1 drugs ‘may improve reproductive hormones and semen parameters’, scientists say