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Serena Williams Returns to Doubles, Uses GLP-1 Drug

6/12/2026

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Summary

Story summary

Serena Williams returned to professional tennis this week, playing doubles for fun after a multi-year retirement.
She partnered with Ro, a GLP-1 firm backed by husband Alexis Ohanian, began using Zepbound to lose weight, while anti-doping agencies have monitored GLP-1 drugs since 2024 without labeling them prohibited.
Studies suggest GLP-1 users may lose muscle, potentially hurting performance, leading commentators to liken the debate to bans on marijuana and hormone treatments.

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Story summary

Serena Williams returned to professional tennis this week, playing doubles for fun after a multi-year retirement.
She partnered with Ro, a GLP-1 firm backed by husband Alexis Ohanian, began using Zepbound to lose weight, while anti-doping agencies have monitored GLP-1 drugs since 2024 without labeling them prohibited.
Studies suggest GLP-1 users may lose muscle, potentially hurting performance, leading commentators to liken the debate to bans on marijuana and hormone treatments.