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Author Question: What are the stages of spelling development? a. precommunicative and semiphonetic b. phonetic ... (Read 30 times) |
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Medication errors are more common among seriously ill patients than with those with minor conditions.