People need to sleep, and sleep deprivation can cause many changes in the brain. But we have a poor understanding of why sleep is so crucial. New research has examined a fruit fly model to assess how ...

AI could "give the scientific community a way to address the most difficult and urgent questions in human health," argues .

Researchers have a new hypothesis for how brain cells called astrocytes might contribute to memory storage in the brain. Their model, known as dense associative memory, would help explain the brain's ...

Why do immune cells that are supposed to eliminate viruses suddenly turn against our own body? There are instances where killer T cells—which are meant to precisely remove virus-infected ...

Irritable bowel syndrome (IBS) is a chronic condition that causes digestive issues, gut pain, and bloating, and women are far more likely to experience IBS than men. Researchers may have now found an ...

The olfactory system is essential for most animals: it supports postnatal survival, detects environmental hazards and mediates emotional, social and nutritional behaviors.

Researchers from Brown University and their collaborators have developed a new way to measure the properties of cells—an ...

Scientists have identified two specific types of brain cells that behave differently in people with depression, offering a ...

In about one out of every 1,000 pregnancies, the neural tube, a key nervous system structure, fails to close properly.

Circulating tumor cells were first described in 1869 by Thomas Ashworth, an Australian pathologist who observed them in a peripheral blood sample taken from a patient with metastatic cancer. 1 They ...

But they've done a lot more than that. The impact of sex as a biological variable is far more subtle and pervasive than it may seem. In fact, sex-based differences with implications for our health ...