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Digestion requires blood to transport oxygen and nutrients to gastrointestinal wall cells to support the secretion of digestive enzymes and hormones. Hydro massage bath tub can significantly improve local circulation by dilating blood vessels through hot water immersion, especially around the abdomen. The results are: ·Stronger gastric wall peristalsis; ·Improved small intestine absorption efficiency; ·Constipation may improve.
For the elderly, the water temperature should be controlled between 37°C and 39°C, and not more than 40°C. Because high temperatures may cause blood vessels to dilate, blood pressure to drop, causing dizziness, fatigue and even fainting. Each soaking time should be controlled between 15 and 25 minutes. If the soaking time is too short, the effect is insufficient; if it is too long, there is a risk of dehydration.