by Adair Locke, MD. 1  Methylene blue is administered intravenously by anesthesia providers for a variety of clinical uses and may be used with increasing frequency as an intraoperative urologic marker dye due to an indefinite nationwide shortage of indigo carmine.
The Effects of Humidity on the Human Body. As discussed in Home Humidity and Allergies, humidity directly affects the amount of allergens in the indoor environment. In particular, high humidity causes both dust mite populations and mold colonies to grow, thereby greatly increasing allergy sufferers' total allergen load.
How heat and humidity affect running performance and how to acclimatize to hot conditions. The human body has the ability to cool itself in hot conditions by sweating. Actually, itâs the evaporation of sweat that causes cooling, not sweating itself. (This is important with regards to humidity.)