The key to losing belly fat is self-motivation, exercise, eating a more healthy diet and consuming fewer calories than you use up,â says Dr Sarah Clarke, a consultant cardiologist at Papworth Hospital NHS Foundation Trust.
Acquired immunodeficiency syndrome (AIDS) A group of diseases resulting from infection with the human immunodeficiency virus (HIV). A person infected with HIV gradually loses immune function, becoming less able to resist aliments and cancers, resulting in eventual death.
Naturally acquired active immunity occurs when a person is exposed to a live pathogen, and develops a primary immune response, which leads to immunological memory. This type of immunity is ânaturalâ because it is not induced by deliberate exposure.Many disorders of immune system function can affect the formation of active immunity such as immunodeficiency (both acquired and congenital forms) and immunosuppression.aternal passive immunity is a type of naturally acquired passive immunity, and refers to antibody-mediated immunity conveyed to a fetus by its mother during pregnancy.