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Exercise linked to change in DNA

Source: MedicalNewsToday

The researchers explain that although the genetic makeup is not altered, DNA molecules change structurally and chemically when a person exercises. An example of this is the DNA gaining more or losing parts of methyl groups that are found on sequences of DNA families.

During the study, DNA within skeletal muscle was taken from people who had just experienced a round of exercise. The DNA showed less methyl groups than it had before the person’s work out. The changes were found in the areas of DNA which work as stopping places for a certain kind of enzymes, called transcription factors. These enzymes are very important in terms of muscles and exercise.

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