Sigmund Freud emphasized the importance of the unconscious mind, and a primary assumption of Freudian theory is that the unconscious mind governs behavior to a greater degree than people suspect.
The only way to tell. The only way to tell if a person has HIV is through the HIV Antibody Test, which detects the presence of antibodies produced by the body in response to the HIV virus. It can take up to three months for antibodies to be developed.
When the test incorrectly indicates that HIV is absent in an infected person, this is called a false negative. Positive or negative means that the doctor looked for substances the body produces to fight the HIV virus, but not the virus itself.