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flag CO2 levels hit record highs, linked to rising blood bicarbonate and potential health risks since 1999.

flag Atmospheric carbon dioxide levels have reached record highs, and a new study links this to changes in human blood chemistry, finding a 7% rise in average blood bicarbonate levels since 1999, closely mirroring CO2 increases. flag Researchers also observed declines in blood calcium and phosphorus, possibly due to bone absorption of excess CO2 and reduced kidney retention. flag While causation isn’t proven, the findings suggest long-term health risks, especially for children with lifelong exposure, and highlight rising CO2 as a potential public health concern beyond climate change.

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