The shower heads are nests for bacteria and could be the origin of infections, according to a new u.s. study.
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To give a fresh and get rid of the bacteria, there is nothing like a good shower ? Not so sure ! It is in any case that suggests a study published in the journal mBio.
Since the bacteria grow more quickly in moist areas, american researchers have examined the microbial communities are evolving in the shower heads of 656 households located in the United States and in 13 european countries.
The scientists were particularly interested in the non-tuberculous mycobacteria (NTM) have been found in these shower heads. And for good reason : they are known to be the origin of infections of the lung, skin or lymph.
Don’t panic ! The presence of non-tuberculous mycobacteria (NTM) does not require the development of an infection. Only persons with a weakened immune system or suffering from a chronic disease face a greater risk.
How to limit the proliferation of bacteria in the bathrooms ? The study reveals that they are present in greater numbers in the shower head in metal than in plastic ones, but also that households that use water treated with disinfectants to chlorine are more likely to see the bacteria develop.
Beyond this material, the scientists recommend to clean the shower heads every week or every two weeks. A shot clean that you can achieve, for example, with white vinegar !