Until now, all scientists agreed: the “hit or run” reaction begins with adrenaline secreted by the adrenal glands, which prepares our body to respond to the danger - oxygen consumption by cells increases, sugar levels increase, metabolic processes are stimulated.

The second, no less important participant in this process is cortisol, which extracts energy from cells in order to have enough strength to escape or repel the threat.

But now another potential participant has entered the scene - the hormone osteocalcin, which is responsible for bone formation.

Initially, scientists doubted that adrenaline and cortisol can act quickly enough, providing an instant response to the danger. Whereas osteocalcin acts in 2.5 minutes.

Scientists are already beginning to study this issue, and are conducting experiments on mice, observing how they respond to a stressful situation without adrenal glands that produce adrenaline and cortisol. The first experiments are quite indicative - despite the absence of such an important hormonal organ - the “hit or run” reaction does not disappear.

But with a decrease in osteocalcin, it disappears.

Perhaps we are on the verge of discoveries that will turn our eyes on the hormonal background of man.

And we will take more care of our bones than before.

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