Answer: liking for the odor of alcohol.
Explanation:
In experiments, when pregnant rats drink alcohol, their young offspring later display a liking for alcohol's odor.
Even light drinking can affect the fetal brain, and persistent heavy drinking will put the fetus at risk for birth defects and intellectual disability.
HIV crossed from chimps to humans in the 1920's in what is now the Democratic Republic of Congo. This was probably as a result of chimps carrying the Simian Immunodeficiency Virus (SIV), a virus closely related to HIV, being hunted and eaten by people living in the area.
It sounds most like a generalized anxiety disorder but there could also be some OCD in there.