A new study finds that transitioning from conventional cigarettes to e-cigarettes could improve respiratory health, though further research is needed...
symptoms
What are blood disorders?Blood disorders are conditions that keep parts of your blood from doing their jobs:Your red blood cells...
What are autoimmune diseases?Your immune system is made up of organs and cells meant to protect your body from bacteria,...
AbstractPURPOSE Respiratory symptoms are the most common presenting complaint in primary care. Often these symptoms are self resolving, but they...
What is diabetes?Diabetes is a condition that happens when your blood sugar (glucose) is too high. It develops when your...
HIV is a virus that targets the immune system. It damages and destroys white blood cells called CD4 T cells....