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.
We all recognize that summer is a time for warmer temperatures. But in addition to the effects of heat, personal comfort and health are strongly affected by the humidity -- the moisture content of the air. The combination of heat and high humidity may cause discomfort, heat stroke or even death to humans and animals.