Scientists detect a surprising shift in human blood as atmospheric CO2 rises

Rising carbon dioxide in the atmosphere may be leaving a measurable imprint inside the human body. Researchers analyzing more than two decades of U. S. health data found that blood bicarbonate levels have climbed about 7% since 1999, while calcium and phosphorus have declined—changes that closely track increasing atmospheric CO2.

Officials and experts continue to monitor developments closely as the situation unfolds. Communities affected by the story are watching for further updates in the days ahead. Analysts say the implications could extend well beyond the immediate headlines, with policymakers and industry leaders expected to respond in the coming weeks.

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