back to top
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.
If you're living with HIV, learn about working with your doctors, starting treatments, managing the stress of diagnosis, and lifestyle changes to consider.