Obstetrics & gynaecology

Vaginal immune system may hint at prime vaccine timing

Levels of key immune-signaling molecules in the vagina "undergo clear and consistent" fluctuations during the menstrual cycle, a University of Washington Medicine-led team reports in a study published today in the journal ...

Medical research

When macrophage digestion goes wrong

The exchange of gases between the air we breathe and our blood takes place via alveoli—tiny air sacs in our lungs. For this process to run smoothly, the epithelial cells of the alveoli produce a substance called "surfactant" ...

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