In response to this lack of cellular fuel, the brain triggers the release of cortisol which is the body's primary stress hormone. (liveinthenow.com)
The microscopic marine organisms, which serve as an important food source in the ocean, use photosynthesis to turn sunlight into cellular fuel. (sciencenews.org)
This dramatic change of cellular fuel is one of the biggest reasons we have an obesity epidemic — worldwide. (naturalhealth365.com)