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Covid-19: the third vaccine dose, instructions for use
Being
"born tired"
is more of a nasty criticism than a medical reality.
Because being exhausted from the first moments of life seems quite improbable.
This does not mean, however, that heredity has no influence on our fatigue profile ...
For Professor Jean-Dominique de Korwin, specialist in internal medicine at the CHU de Nancy,
"we become tired in particular because of genetic predispositions".
Read also
Why our genes make us unequal in the face of Covid
In other words, in terms of endurance to muscular effort, sleep needs or the risk of contracting various diseases that are sources of fatigue, there are indeed inequalities between individuals.
A mutation in some athletes
In 2003, an Australian geneticist highlighted the key role of a protein called actinin 3 and involved in the metabolism of muscle fibers.
It happens that the corresponding gene undergoes a mutation in some people, which increases their resistance to exertion.
For example, in high-level athletes, this mutation is found preferentially
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