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In the face of a multipronged front to drive blood pressure up, including a high-salt diet, females are better able to keep their pressure down by increasing levels of a T cell that selectively dials back inflammation, scientists say.
Females have an innate ability to upregulate these anti-inflammatory cells, called Tregs, in response to a challenge, says Dr. Jennifer C. Sullivan, pharmacologist and physiologist, noting that the cell's levels are known to increase to help maintain a healthy pregnancy, for example, so the immune system does not attack the fetus, which has DNA from both parents.
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