Brandyjane wrote: With an average body temperature of 91F (Star Fleet Medical Reference Manual)
That seems to be saying that their body temperature is on average lower than the human body temperature, which is not what I would have expected. Perhaps there is a Vulcan equivalent of being cold blooded, which allows the body temperature to rise significantly without causing any harm? It would make sense that Vulcans avoid sweating under typical conditions to conserve water, even if they're capable of sweating and even if they do sweat under other conditions - such as when scantily-clad in decon.