A tattoo-shaped biosensor helps prevent extreme fatigue in athletes

A group of researchers from the University of California at San Diego have developed a biosensor that detects if our body is at an extreme level of fatigue.

To do this, it uses the measurement of various chemical elements present in sweat when we exercise. Furthermore, this tattoo-shaped sensor could also help to record other aspects that would be especially useful in professional athletes.

These tattoos record the presence of so-called lactates, a form of lactic acid that is produced in the body when it does not have enough oxygen to produce energy when going from the normal process of aerobic to anaerobic respiration.

Tests on 10 human subjects showed that these sensors could monitor the lactate levels present in sweat during various exercise sessions. In this way, the sensors could warn the athlete to stop practicing this activity due to the possible risk of extreme fatigue.

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