Nutrition in heat and cold
3 important questions on Nutrition in heat and cold
EE in cold and heat
- energy expenditure in cold is 2.5 to 3 times BMR
- human brown fat
- metabolic rate increases due to shiffering
heat:
- metabolic rate increases due to sweating 1L/h ~650Watt koelvermogen
Exercise in cold and altitude
Heat loss through evaporation
Cold air is very dry, no water in the air > drying out very quickly.
Taste and appetite in heat
- thermostatic hypothesis: less appetite due to thermic effect of food
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