Paragraph 2
Cold-water therapy is used in many
. For decades, ice
have helped with the
of athletes after high-energy
. The researcher said therapeutic cold-water immersion led to "
sleep disturbances". Taking cold-water baths for
is already a common
. At the New Year, people worldwide swim in
seas and lakes. In Japan,
refresh their bodies by dipping in and out of hot and cold
.
