After an increase in dietary salt, the excess sodium is stored under the skin—stimulating lymphatic growth through the activity of macrophages (pages 545–552). The findings should recast thinking about how blood pressure is regulated.
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Marvar, P., Gordon, F. & Harrison, D. Blood pressure control: salt gets under your skin. Nat Med 15, 487–488 (2009). https://doi.org/10.1038/nm0509-487
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DOI: https://doi.org/10.1038/nm0509-487
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