Water: How much should you drink every day? To read this article in its original context: http://www.mayoclinic.com/health/water/NU00283. Water is essential to good health, yet needs vary by individual. These guidelines can help ensure you drink enough fluids.
Pizza can be left in room temperature for up to two hours -- or one hour in hot temperatures above 90 degrees Fahrenheit -- and still be safe to eat, according to the USDA.hile you might not get sick from eating pizza that's more than four days old, you'll increase your risk for foodborne illness by doing so. Throw away any pizza that's been sitting out in room temperature for more than two hours.
Warnings. 1  Never allow your pizza dough to sit out for longer than 2 hours at room temperature, or more than one hour at a temperature of 90 degrees Fahrenheit or higher. 2  If working with a large ball of dough that's taking longer than 2 hours to defrost using the cold water method, change the water to ensure that it remains cold.