A type of therapy that uses water is the most likely meaning of hydrotherapy. Thus, option A is correct.
<h3>What is hydrotherapy?</h3>
Any technique that employs fluid to address a range of bodily ailments is known as hydrotherapy. The use of a dedicated tank of water, as well as having a hot shower at residence, are also examples of hydrotherapy.
Submerging entire body into heated water initially, followed by a cold bath, might seem alternatively energising or excruciating obviously it depends on personal endurance for severe heat.
Therefore, option A is the correct option.
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