The number of babies with low birth weight makes it possible to make inferences of the health and nutrition of a population if, for example, many children with low birth weight are born, it is inferred that mothers have not had a diet based on the resources necessary for healthy growth of the fetus , in the same way if a baby is born with low weight it is very likely that during his life he presents several diseases as well as his offspring.
maybe it helped people with health and skin care so maybe it inspired them to also use it for hair and it worked I hope this is something that atleast helped you sorry if it seems stu-pid