The general rule of thumb is that you should drink eight 8 ounce glasses of water per day (at least). RELATED: HEALTHY FOOD CHOICES FOR A LONGER LIFE. Interestingly some agencies claim that total fluid intake (water and other fluids) should exceed 3 liters for men and 2.2 liters for women.
Just because pizza sits out for an hour or two doesn't mean you have to throw it away. 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.
How long can you leave cream cheese out? Cream cheese can be left out of the refrigerator for a maximum of 2 hours. Leaving it out at room temperature for longer periods can result in harmful bacteria growth. For optimum freshness, cream cheese should be kept in an environment of 40 degrees Fahrenheit or lower.