Summary. 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 get into air, water, and the ground from wind-blown dust. It may also get into water from runoff.
LS is listed as a rare disease by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that LS, or a subtype of LS, affects less than 200,000 people in the US population. LS as a Disease. LS: Another name for Leigh syndrome (or close medical condition association).
MDS (myelodysplastic syndromes) is a group of disorders in which your blood-forming stem cells are defective and fail to make healthy, mature blood cells. With MDS, patients have low blood counts for at least one blood cell type and blood cells look abnormal under a microscope.