Immunology

T cells found in tonsils differ in key ways from those in blood

T cells, also known as lymphocytes, are a type of white blood cell that play an important role in the body's immune response. Historically, blood samples have been used to monitor how T cells respond to a virus, vaccine or ...

Sleep disorders

Good sleep starts in the gut

You might think good sleep happens in your brain, but restorative sleep actually begins much lower in the body: in the gut.

Oncology & Cancer

Biomarkers link ER+ breast cancer to neighborhood poverty

Scientists have long known that Black women with estrogen-receptor positive breast cancer and those who live in disadvantaged neighborhoods often have more aggressive forms of the disease and poorer survival rates. However, ...

Medical research

Key kidney sensor that helps control fluid balance identified

A new study has identified a critical "pressure sensor" inside the kidney that helps the body control blood pressure and fluid levels. The finding helps explain how the kidneys sense changes in blood volume—something scientists ...

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