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Soleil Bienfaits et pratique mesurée | Nature-Santé

Soleil Bienfaits et pratique mesurée

 Note

Le soleil est moins filtré qu’autrefois à cause de la réduction de la couche d’ozone.

L’exposition au soleil est un facteur essentiel de vitalité, son excès est risqué, surtout au stade de brulure, en particulier en bas âge.

Augmente la vitalité cardiaque

Améliore la qualité de la peau

Combat les infections

Facilite la respiration

 

Unité d’érythème solaire

L’unité d’érythème solaire correspond à la durée d’exposition au soleil nécessaire pour obtenir une légère rougeur de la peau.

Pour profiter des bienfaits du soleil, on doit avoir une unité d’érythème solaire sur la plus grande partie du corps possible, sans protection.

La valeur de cette unité varie selon

        le type de peau : un Africain a besoin de beaucoup plus de temps au soleil qu’un blanc, car la peau noire laisse moins pénétrer les rayons ultraviolets.

        la latitude : au Nord les rayons UV sont beaucoup moins intenses qu’à l’équateur.

        le bronzage : plus la peau est bronzée, plus la tolérance au soleil est grande.