The Arctic ground squirrel survives conditions that would cause irreparable brain damage in almost any other mammal on the ...

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

Nitric oxide doesn’t get the hype of collagen or NAD+, but it plays a central role in blood flow, energy, and how well the ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Cholesterol is a key building block for testosterone. Through ...

The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

Reduced blood flow to the brain is thought to be a key factor in many forms of dementia, including Alzheimer's, and ...

Rozlyn Khan, battling stage 4 breast cancer, was hospitalised in Mumbai after severe fatigue and fever during travel. Doctors ...

"What is good for the heart is good for the brain," one researcher says.

Your heartbeat can provide valuable clues to help you stay well. Here’s what top cardiologists want you to know about it.

Carbon monoxide cases spike during the winter, and on Thursday night in Nashville, that risk became real for dozens of people ...

Bird retinas survive without oxygen by burning sugar scientists solve 300 year mystery that could help treat human strokes.