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Other signs and symptoms of Prader-Willi syndrome may include: 1  Nearsightedness (myopia) and other vision problems. 2  Light skin and hair compared with other family members. 3  High pain tolerance, making it difficult to identify injury or illness. 4  Problems regulating body temperatures during fever or in hot and cold places.
1 non-alcoholic fatty liver disease, 2  iron overload (hemochromatosis), 3  Symptoms of liver diseases include. 4  weakness and fatigue, 5  weight loss, 6  nausea, 7  vomiting, and. 8  yellow discoloration of the skin (jaundice). Symptoms of liver diseases include. 2  weakness and fatigue, 3  weight loss, 4  nausea, 5  vomiting, and. 6  yellow discoloration of the skin (jaundice). 7  The treatment of a particular liver disease depends on its specific cause.