While there have been great advances in medical science it is foolish to discredit everything learned in the 5000 years before the modern age.
when life spans average 30 years - yes, they worked miracles.
There is no harm in studying ancient remedies. The chemistry is staggering as so many separate chemicals which exist in the compound could be “the cause” of any benefit. Secondly, they rarely work out. Lastly, the “remedies” are usually witchcraft. Once again if all the ‘secret’ ‘ancient remedies’ worked why does their country of origin have a death rate like that of the middle ages.