iHeart Blog

Blood Oxygen Saturation (SpO2) Explained

By Adam Sharp, Sep 26, 2017 12:00:00 AM | science, cardiovascular health, health technology, education

What Is Blood Oxygen Saturation?

Red blood cells travel through the body’s arteries and veins, transporting oxygen from the lungs to every cell and tissue. Oxygen is carried through the blood

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​The Negative Effects of Caffeine on Pulse Wave Velocity

By Adam Sharp, Jul 28, 2017 12:00:00 AM | health, diet, nutrition, healthy living, education

When iHeart testing throughout the day, the effects of recent lifestyle choices will have an influence on Internal Age readings. It can sometimes seem as though inconsistencies or inaccuracies

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