They remove all superfluous vital substances
from the blood, and filter out a surplus of water. This water and the
vital substances consequently form urine. In order to save energy and
bring the blood into balance, the kidneys remove unused enzymes from
the blood. The same goes for hor-mones, minerals and other substances.
It is clear that urine is full of vital elements, which can hardly be
called waste products.

Human urine has strengthening and curative characteristics concerning
many deficiencies. A mixture of potato and sulphur powder, mixed with
heated, old urine helps against hair loss. One should rub this mixture
into the scalp; this slows down loss of hair. All kinds of throat
inflammation can be helped by gargling with urine to which a bit of
saffron has been added. Trembling hands and knees can be helped by
washing, and rubbing one's own warm urine into the skin directly after
one has urinated. An universal and excellent remedy for all distempers
inward and outward. Drink your own water in the morning nine days
together and it cures the scurvy, makes the body lightsome and
cheerful. It is good against the dropsy and Jaundice, drunk as before.
Wash your ears with it warm and it is good against deafness noises and
nost other ailments in the ears. Wash