Humans evolved in an atmosphere containing roughly 200–300 parts per million (ppm) of carbon dioxide (CO₂). Today, that figure sits above 420 ppm, higher than at any point in the history of our ...
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.
A new study, published in the journal Nutrients, investigates factors associated with cognitive performance in older adults. In agreement with previous research, it finds that age, body mass index ...
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