What do alcohol, cannabis, prescription sedatives and an over-the-counter cold remedy have in common as driving risks? · Q-0470

What do alcohol, cannabis, prescription sedatives and an over-the-counter cold remedy have in common as driving risks?

1. a All are illegal to possess while driving
2. b All can impair the see-think-do skills driving depends on
3. c All are detectable by roadside screening devices
4. d All wear off within one hour

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