Probiotic supplements have been shown to reduce the number and length of infections suffered by long-distance runners.
Strenuous training can affect the immune system and make athletes vulnerable to coughs and colds, but a study has shown that taking probiotics more than halves the days that runners show symptoms. The study focused on 20 top-level endurance runners during their intensive winter training program. All 20 received two month-long courses of pills -- one containing the bacterium Lactobacillus fermentum, and the other containing no active ingredients.
There were a total of 72 days in which people taking the "dummy" pills complained of cough or cold symptoms, compared to only 30 days on the course of probiotics.
Strenuous training can affect the immune system and make athletes vulnerable to coughs and colds, but a study has shown that taking probiotics more than halves the days that runners show symptoms. The study focused on 20 top-level endurance runners during their intensive winter training program. All 20 received two month-long courses of pills -- one containing the bacterium Lactobacillus fermentum, and the other containing no active ingredients.
There were a total of 72 days in which people taking the "dummy" pills complained of cough or cold symptoms, compared to only 30 days on the course of probiotics.
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