alumnus (alumnae); graduate; former member of an organization; former inhabitant (country, region, etc.)
severe (illness, disability, etc.); serious
general term; generic name
to scurry home; to run home; to fly back
beginning; start; first (in line, etc.); origin; such as ...; not to mention ...
to come from; to have roots in
to be conceivable that; to be thinkable that
several items; many items
conspicuously; noticeably; remarkably; strikingly; outstandingly; especially
follow-up survey; tracing survey; contact tracing (of an infectious disease)
unique; peculiar; singular
common; shared; to be common (to); to be shared (by); -wide
mental disorder; mental disease
trigger (of a gun, etc.); trigger (for something); immediate cause
contortion; distortion; warp; kink (in one's character); twist
classification; categorization; sorting
poisonous; toxic; addictiveness
personality; character; individuality; personhood
stimulant (e.g. psychoactive drugs like methamphetamine, ritalin, etc.)
negative (e.g. thinking); negative; negative (electrical polarity)
as necessary; if necessary; as the need arises; as occasion demands; where appropriate
hormone; offal (esp. beef or pork); entrails
to suffer mentally; to be in emotional pain
to fall ill; to suffer from (e.g. a disease); to have something wrong with (e.g. an inner organ); to be depressed; to feel down
endemic disease; local disease