Rising carbon dioxide levels are being detected within the human body, with new research warning a key blood marker for the gas could near its healthy limit within decades if current trends continue.

For decades, we’ve known that plastic pollution is everywhere — in the air we breathe, the water we drink, and the soil beneath our feet. But scientists have now uncovered something far more personal: ...

With each heartbeat, blood courses through your body. Some traverse arteries from the lungs back to the heart, and some navigate through capillaries in the thinnest layers of your eyelid, almost ...

Stem cells are precursors of a variety of different cells: They can turn into anything from blood to bone to muscle. Human blood stem cells, known as hematopoietic stem cells, are the forerunners of ...

WASHINGTON, Sept 8 (Reuters) - New research has identified yet another way that spaceflight tampers with the human body. A study involving samples flown on four SpaceX resupply missions to the ...

Blood: red, liquid, and always on the move. But is it a bodily fluid? Or an organ in its own right? Either way, we wouldn't be alive without it! Without our blood, we wouldn't be alive! It transports ...

A new study suggests rising carbon-dioxide levels may be slowly changing human blood chemistry and could impact long term ...