A carbon dioxide (CO2) blood test measures the amount of CO2 in your body. It is typically performed in conjunction with other blood tests to assess for electrolyte imbalances. Levels that are too ...

As humans burn fossil fuels and pump carbon dioxide into the atmosphere, we are heating up the planet. But there is another alarming impact of this climate pollution: it may be changing the chemistry ...

The longer you hold your breath, the more a desperate pressure in your chest grows — this is what scientists call “air hunger.” This panicked, suffocating feeling acts as a fundamental mammalian ...