Touted in certain studies for its supposed interest in the intestinal microbiota or metabolism, intermittent fasting is also the subject of criticism, warnings, and even incriminating studies, like here.
A new study, published in the specialized journal Cell (Source 1) thus highlights the potentially harmful role of intermittent fasting for hair growth. This practice could in fact slow it down, at least that is what the authors of the study observed, in mice.
Remember that intermittent fasting consists of alternating periods of normal food intake with more or less long periods of fasting. The best known is probably 16/8 intermittent fasting, which consists of fasting for 16 hours and eating meals over an 8-hour time slot, generally with a last meal around 7 p.m., and a first meal around 11 a.m.
Observations in mice, to be confirmed in humans
The team reports observing that mice put on diets similar to intermittent fasting showed better metabolic health, but slower hair regeneration than mice that had access to food 24 hours a day, 7 days a week. The team conducted a small clinical trial with 49 healthy adults, which seemed to indicate that a process similar could occur in humans, with an average speed of hair growth reduced by 18% chez…
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