In the absence of objective and reproducible improvement criteria, it is very difficult to establish the effectiveness of a treatment with rigor.
If more than 80% of the world’s teenage population is affected by acne, is it a disease or just a bad time? Specialists – and patients – agree that the impact on quality of life is enough to justify treatment, whether or not we are talking about illness. The delay in research in this field could well come from this semantic vagueness: it is impossible to develop treatments validated by science when the very definition of the disease and its symptoms is not clear.
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Thus, a recent study aimed at evaluating a large set of publications on blue light against acne concludes that the technique seems interesting while acknowledging that the works cannot really be compared, because the results targeted are not equivalent… the absence of objective and reproducible improvement criteria, it is very difficult to establish the effectiveness of a treatment with rigor: very little progress…
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