Cold showers are extremely good for the body. They help to drive a fresh supply of oxygenated blood to the site of infection or blockage. Every single person should finish off a shower or bath with cold water. It is highly beneficial.
My hot water tank malfunctioned recently so I had to take cold showers. At first I dreaded the idea but have since found that tepid showers invigorate my spirit and lighten my mood. I'm bipolar and have crushing depressive episodes. Believe me when I say that I feel my cold showers mitigate the effects of my dark moods and project a feeling of well being and joy throughout my whole body and mind!