In an episode about women’s health there was a recommendation about temperature for ice bath for women, what was that temp?

In an episode on women's health, it was recommended that the temperature for deliberate cold exposure, such as ice baths for women, be around 55 to 56 degrees Fahrenheit. This is considered optimal for invoking the desired physiological responses without causing the severe vasoconstriction that occurs in colder temperatures, which can be too intense for women 1 .