Lithium (from Ancient Greek: λίθος, líthos, 'stone') is a chemical element; it has symbol Li and atomic number 3. It is a soft, silvery-white alkali metal. Under standard conditions, it is the least dense metal and the least dense solid element. Current estimates suggest that 66-90% of dietary lithium originates from cereal grains and vegetables, with drinking water and animal sources also contributing to lithium intake. Lithium toxicity, which is also called lithium overdose or lithium poisoning , is the condition of having too much lithium in the blood. This condition also happens in persons who are taking lithium in which the lithium levels are affected by drug interactions in the body. Find out how lithium treats mood disorders such as mania and bipolar disorder, and how to take it. NHS medicines information on lithium – what it's used for, side effects, dosage and who can take it. Learn more about Lithium uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Lithium. Lithium is used to treat the manic episodes of manic depression - hyperactivity, rushed speech, poor judgment and aggression. Learn about side effects, interactions and indications. Lithium is a modern, general-purpose optimization mod for Minecraft which works to improve a number of systems (game physics, mob AI, block ticking, etc) with the goal of not changing any vanilla mechanics. Lithium is used to treat and prevent episodes of mania (frenzied, abnormally excited mood) in people with bipolar disorder (manic-depressive disorder; a disease that causes episodes of depression, episodes of mania, and other abnormal moods). Easy-to-read patient tips for lithium covering how it works, benefits, risks, and best practices. Lithium is used to treat mania that is part of bipolar disorder (manic-depressive illness). It is also used on a daily basis to reduce the frequency and severity of manic episodes.