People who want to get ripped know that they can't sit on the couch all day an expect their muscles to just appear. Many people don't exercise at all, even though they know it's key to maintaining physical health. While in the past this has just been chalked up to laziness, a recent study has found that the key to wanting to be active may lie in a person's genes.
Researchers at McMaster University have found that removing two genes in the muscles of mice greatly changed their exercise pattern.
"While the normal mice could run for miles, those without the genes in their muscle could only run the same distance as down the hall and back. It was remarkable. The mice looked identical to their brothers or sisters but within seconds we knew which ones had the genes and which one didn't," said researcher Gregory Steinberg
Mice without this gene have a reduced number of mitochondria, which also happens in humans when we do not exercise. Researchers suggested that people who find it difficult to exercise should keep this potential gene problem in mind and work to overcome it. With more exercise more mitochondria builds, and the more willing people become to stay active.
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