No wonder marathon runners have the highest number of mitochondria in their cells! (fullhealthsecrets.com)
And thyroid is the major organ that regulates the mitochondria and maintains the function of the mitochondria at the optimum levels. (justinhealth.com)
This is more than a mere change of color, as the researchers also found that these bile acids increase the number of mitochondria in the new fat cells. (sciencedaily.com)