Elevated body mass index (BMI) may contribute to abnormalities in aging sperm cells. Some older men showeda very limited ability to develop sperm cells; these men were all found to have obese BMIs.
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Why do some adults remain active and strong with age, while others quickly lose strength and mobility? It may depend on genetic variations in the mitochondrial enzyme ALDH4A1.
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Researchers use short-term Yamanaka factor cellular reprogramming to partially regenerate liver cells to a more youthful state, healing damaged liver tissue at faster rates than previously known.
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Oleic acid (a fatty acid found in olive oil) binds to a 'master regulator' of neurogenesis, which increases hippocampal neuron growth in mice.
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