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Scientists from the University of Leipzig (Saxony, Germany) have discovered that endurance exercises such as running, swimming, cycling or cross-country skiing help to age better than endurance activities, which involve Bodybuilding, According to a study published in the European Heart Journal on November 28th.
This research has analyzed how cells age in the human body according to the effects that cause three types of activities: Endurance training – in anaerobic sports -, for intervals of high intensity and resistance. The conclusion of these specialists is that the first two types delayed and even reversed cellular aging, a fact that was not observed in the third training mode.
The telomeres located at the end of each chromosome prevent the DNA from its ends from deteriorating. As they age, they shorten, contributing to aging and even cell death. This process is regulated by several proteins such as the enzyme telomerase, able to counteract the effect and even add length to the telomeres.
The researchers, led by Ulrich Laufs, studied 266 healthy inactive youths and randomly divided them into four groups for six months: endurance training, with high intensity intervals, resistance and lifestyle without change, as a control group.
After analyzing the white blood cells of these people at the beginning of the study and two to seven days after the last exercises, "the volunteers who trained against the high-intensity resistance increased the telomerase activity and the length telomeres ", while" the resistance training did not exert these effects, "said Laufs.
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