Skin Care
Researchers have uncovered a neural signal involving the TRPV4 molecule that tells the brain when scratching an itch has provided enough relief. Experiments in mice showed that without this signal, scratching episodes become prolonged even as overall frequency drops.
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Experts in dermatology warn that oral collagen supplements do not deliver the skin benefits promised in advertisements. While some studies suggest minor improvements, higher-quality research finds no significant effects. Instead, proven lifestyle habits offer better support for natural collagen production.