Withings has launched the next version of its Pulse activity tracker, now called Pulse O2. The new device allows users to measure their blood oxygen levels, which help users understand the efficiency ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

Janay Reece came back home to Baltimore to join WJZ in August 2023. Before coming back to the Charm City, Janay was a morning anchor and reporter for WDBJ7 in Roanoke, VA. She joined the WDBJ7 morning ...

Blood oxygen level is the amount of oxygen circulating in the blood. During an asthma attack, a person may have a lower blood oxygen level, as asthma can reduce the capacity to take in oxygen. Red ...

The very air we breathe, composed of approximately 21% oxygen, is the lifeblood of our planet. It sustains everything from microscopic organisms to towering redwoods and, of course, humanity. But what ...

Earth was mostly devoid of oxygen for much of its 4.5 billion year lifetime. That is, until certain processes started to ...

Oxygen levels in the Earth's atmosphere are likely to have 'fluctuated wildly' one billion years ago, creating conditions that could have accelerated?the development of early animal life, according to ...