An idiosyncratic reaction is a response or susceptibility to a drug that is peculiar to an individual.
Susceptibility to STDs involves many factors including the individual's own immune response which helps to determine whether infection occurs. A very invasive STD infection is considered PID.
Abnormal response/ Abnormal talk.
abnormal
Idiosyncrasy - 1. A structural or behavioral characteristic peculiar to an individual or a group. 2. A physiological or temperamental peculiarity. 3. An unusual individual reaction to food or a drug.
Lethargy
A pathological reflex is an unexpected/abnormal response to stimulus. For instance, a positive babinski reflex is a pathological reflex.
An individual's total response to a major loss.
ANP
Stress
Kingsley John Payne has written: 'Intellect, personality and susceptibility to desensitization' -- subject(s): Psychotherapy, Conditioned response, Personality
Both of them define something peculiar or a quirk. They are both used in definitions of psychological peculiarity.
I would appreciate an individual response. I can't say which individual was speaking.