And yes, all the skippers, even the biggest, are affected by seasickness. Damien Rousseau, the doctor of the Route du Rhum, gave them advice to pass the course, including the use of a pair of miraculous glasses.

Seasickness. The moment feared by Erwan Le Roux, on the Multi50 FenêtreA-Mix Buffet. "During the first three days, I eat almost nothing. And he is not the only one. Even the most seasoned sailor knows seasickness.

" Pure water makes you vomit "

Why am I sick, doctor? "At sea, the pendulum created by the movement of water disrupts the information sent to the center of balance, which is located within the inner ear. It receives in a short time contradictory messages, that it can not treat correctly. Hence the seasickness.

Yes, but how to do it ? Or rather, let's start with what not to do. "Coffee and tobacco promote seasickness," says Dr. Damien Rousseau. Pure water makes you vomit and Mercalm sleeps. "

However, the doctor of the race recommends this medicine in a very specific case. "If the navigator has to abandon his boat and take refuge in the liferaft, which causes terrible seasickness. "

By taking a Mercalm (every 8 hours), it prevents him from being sick and therefore from becoming dehydrated. "And there is a real parameter for survival. The Mercalm also has the "virtue" of causing drowsiness, and therefore of finding the less time.

The glasses without glass cost about 80 €. | Joel Le Gall

Miraculous glasses against seasickness

And solutions against seasickness? "Take Primpéran or Vogalène to avoid nausea, drink Coca-Cola, tomato juice, put syrup in the water ... There are also anti seasickness glasses, very effective. "

The look is really not that great, but there is 95% success. This invention corrects the difference in perception between sight and the sense of balance. It's a real inner ear.

How it works ? The glasses, without glasses, are equipped with a system of four rings in which a blue liquid moves from left to right but also from front to back. This displacement simulates an artificial horizon that allows to resynchronize the view and the inner ear in less than 10 minutes. But the miracle has a price: about 80 €.