The integumentary system is the physical system that forms the barrier between the external environment and the internal systems of the body. In humans, this system consists of skin, hair, nails, and ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...

As cardiovascular research continues to evolve, new ways of understanding circulation are expanding how clinicians think ...

A team of researchers from Columbia Engineering and Columbia University Irving Medical Center has developed a multi-organ chip consisting of engineered human heart, bone, liver, and skin that are ...

The development and eventual approval of modern drugs is hugely reliant on animal models and human clinical trials, but for some time now scientists have been working on an alternative and more ...

The human body is a wonderful biological work of art, composed of a great many organs, each carrying out special functions that are part of life and well-being. Though the human body contains about 78 ...

Conventional two-dimensional (2D) cell cultures were developed almost a century ago 1. Despite their demonstrated value in biomedical research, they cannot support the tissue-specific, differentiated ...

Iridology: Detecting impaired organ function with the iris Despite its long history, there are scarce scientific data supporting the clinical utility of iridology, an alternative medicine technique.

The following outlines aspects of the female reproductive system, including the internal and external organs, the menstrual cycle, the egg, and reproductive hormones. The menstrual cycle is a monthly ...

Researchers have developed a new "body clock" tool that calculates people’s biological age — and could even predict the risk of disability or death. The tool, which comes from the University of ...