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Alpha-1 antitrypsin is a protein in blood that the liver and lungs use to control the immune response. An alpha-1 antitrypsin deficiency (AAD) means there is too little of the functioning protein in your blood. When bacteria or other harmful subst...
Nicotine addiction occurs when a person becomes addicted to nicotine, which is a chemical found in tobacco. The addiction is physical, mental, and behavioral.
There are many symptoms of the autoimmune disease HIV/AIDS, including persistent skin rashes, night sweats, and mouth sores.