Mercury (Hg) occurs naturally in the environment and can be found in metallic, inorganic, and organic forms. The most common natural forms of mercury found in the environment are metallic mercury, mercuric sulfide (cinnabar ore), mercuric chloride, and methylmercury. Mercury and its compounds have a long history of human use for industrial, medicinal, cosmetic, and spiritual purposes.
So, if you need 2,000 calories a day to maintain your weight, subtract 500 from that (about 1,500 calories) and you'll have the number you should consume each day to still lose a pound in one week. (Try out our 1,500 calorie meal plan, the SuperCarb Diet!)
Calorie Requirements for Seniors How Many Calories Your Body Needs Each Day as You Get Older