A new analysis of more than 1,500 papers and 60 types of tissue has revealed the total number of cells in the human body. When you purchase through links on our site, we may earn an affiliate ...

The body's tissues can get injured in many ways, but while some injuries heal perfectly, others don't heal at all. A cut in ...

An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...

Researchers have developed brain-on-a-chip technology that uses human tissue to model how the brain’s protective barrier breaks down during inflammation and disease.

Microplastics, which are less than 5 millimeters wide -- or about the size of a pencil eraser, can enter the human body through the mouth, nose and other body cavities. Getty Images This might make ...