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Rewiring the body clock: Deep brain imaging reveals unexpected complexity in jet lag adjustment

Medical Xpress

This region governs essential behaviors like the circadian clock, sleep, energy balance , and feeding. More information: Po-Ting Yeh et al, Discrete photoentrainment of mammalian central clock is regulated by bi-stable dynamic network in the suprachiasmatic nucleus, Nature Communications (2025).

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Long-lasting HIV prevention shot headed toward approval

Medical Xpress

The company is working with governments and health groups in the U.K. More information: The National Institutes of Health has more on Pre-Exposure Prophylaxis (PrEP ). The content is provided for information purposes only. Were thinking globally about the public health impact we can have," Mercier said. © 2025 HealthDay.

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What RFK Jr. Isn’t Talking About: How To Make Vaccines Safer

Physician's Weekly

Within an hour of receiving a covid vaccination in November 2020, Utah preschool teacher Brianne Dressen felt pins and needles through her arms and legs. While it’s possible that Nath’s patients suffered covid vaccine injuries, Marks said, their symptoms were so varied it was hard to characterize a possible syndrome.