Metabolic & Weight A Study Blames the Rising Atmosphere for Your Blood Chemistry. Your Own Breath Overwhelms It.
Blood bicarbonate climbed about 7 percent since 1999, and two researchers blame the rising atmosphere. But convert that 51 ppm into the pressure that reaches your lungs and it moves your blood by about 0.04 millimeters of mercury, roughly a thousand times too small to matter.
By Sarah Okonkwo · August 16, 2026