The sympathetic nervous system becomes more active during times of stress, and for some people, this activation can become excessive or prolonged.

Immunity is not a function most people particularly associate with the liver. But because of its connection to the gut, the ...

What Is the Nervous System? Your nervous system is your body's main communication system. It sends messages from your brain to the rest of your body and helps you respond to changes inside and ...

It is now possible to obtain three-dimensional, high-resolution images of enzyme activity in tissue samples or whole organs -- thanks to probe molecules that anchor fluorescent dyes within tissue as ...

One reason why our livers excel at clearing waste from our blood system is that the organ functions according to three key "zones" that perform specific major tasks. So, if scientists hope to ...

And many are running out of time. Despite these challenges, the U.S. organ transplant system still saves over 48,000 lives a year. And policymakers have been pushing to increase this number.

While the system functions automatically in a healthy body, various factors—including stress, illness, or overexertion—can slow it down. In this file photo, a woman performs lymphatic drainage ...

Subscribe to our free Stephinitely newsletter None of us claim the current system is perfect. But it has enabled the United States to build the most advanced and successful organ and tissue ...

One reason why our livers excel at clearing waste from our blood system is that the organ functions according to three key "zones" that perform specific major tasks. So, if scientists hope to ...

The inner ear contains distinct sensory organs, produced sequentially by segregation from a large sensory-competent domain in the developing otic vesicle. To understand the mechanistic basis of this ...

Under this model, individuals who die are assumed to have given consent to donate their organs and tissues unless they have actively opted out. P.E.I. currently uses an opt-in system ... "And here I ...