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Hormones

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Male Octopus Mating Arm Doubles as Hormone Sensor, Study Finds

The study points to sensory cues as a key to precise mating, a possible engine of octopus diversity.

Supportive Marriages Linked to Lower Obesity Risk via Brain–Gut and Oxytocin Pathways

Higher Testosterone Linked to More Dominant-Smelling Body Odor, Study Finds

Stevia-Derived Microneedle Patch Boosts Minoxidil in Mouse Hair-Loss Study

Hair Cortisol Study Links Persistent Stress to Mental Health Risks in Chronically Ill Children