The brain is shielded from many substances by the blood-brain barrier, but this shield is not impenetrable. There are immune cells in the brain called microglia that can respond to potential invaders ...

For the first time, clumps of human cells called organoids were fully integrated with the brains of rats—and influenced their behavior.

A Dartmouth study published in Nature Communications reveals that immune cells in the brain use a surprising two-step process ...

A human female is born with all the egg cells she will ever have. The possibility for the development of new oocytes is zero. Given this constraint, it is crucial that these gametes remain healthy and ...

To settle lingering health fears, scientists blasted human skin cells with intense 5G signals to see if the radiation does any damage. Reading time 2 minutes More research has confirmed that, no, ...

During pregnancy, maternal and fetal cells migrate back and forth across the placenta, with fetal cells entering the mother's ...