A dangerous new challenge has spread across social media.
It consists of ingesting dry protein supplements, without diluting them in water as recommended by their manufacturers, before exercising in the gym.
Researchers who conducted a study and will give a talk at a medical conference in the United States about this practice, known in English as dry scooping, fear that many young people will copy this dangerous fashion promoted by numerous videos on the internet
Health warning
Powders to consume before training usually contain many amino acids, vitamins and other ingredients, such as caffeine.
The idea is to give the body a boost before a workout to aid endurance, although the scientific data on its effectiveness is not firm.
