Risks can accumulate over time through exposure to different things over life which is a normal part of life generally. People who do a lot of crazy things are people who are more prone to having different kinds of risks being brought upon them. If you're working as a construction, it's more likely with time that you will suffer from some sort of work-related accident than someone who works in an office all day long.
Answer: 4 This group of substances can produce chemical vapors that can be inhaled to produce a mind-altering effect.
stimulants
psychoactives
inhalants
depressants
Its not Really a disease...but the correct answer is a Sore throat