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.
Yes, you are a walking swamp in a balloon. What CO2 is doing to the ocean will also happen to your insides. There is only an extremely porous membrane between the two.
We can also expect changes to our microbiome, water saturation levels, running temperature, etc, just like everything else.