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- Dietary Supplements (National Library of Medicine)Dietary supplements are vitamins, minerals, herbs, and many other products. They can come as pills, capsules, powders, drinks, and energy bars. Supplements do ...
- Mercury (National Library of Medicine)Mercury is an element that is found in air, water and soil. It has several forms. Metallic mercury is a shiny, silver-white, ... colorless, odorless gas. It also combines with other elements to form powders or crystals. Mercury is in ...
- Arsenic (National Library of Medicine)Arsenic is a natural element found in soil and minerals. Arsenic compounds are used to preserve wood, as pesticides, and in some industries. Arsenic can ...
- Minerals (National Library of Medicine)Minerals are important for your body to stay healthy. Your body uses minerals for many different jobs, including keeping your bones, muscles, heart, and brain ...