capsules
chemical
chemist
chemistry
desperate
disappointed
discovery
doctor
drugs
exhausted
experiment
experimenting
fatigue
health
healthcare
lab
laboratory
man
medical
medicine
medicines
painkiller
pharmaceutical
pharmacist
pharmacology
pharmacy
pill
pills
research
researcher
sad
science
scientific
scientist
solution
stress
stressed
student
suicidal
suicide
synthesis
tablets
test
testing
tired
unhappy
unsuccessful
upset
vaccine
virus