Another common cause of overdoses which stems from a lack of education: A person quits for a while, decides to start using again and shoots up their usual dose

Another common cause of overdoses which stems from a lack of education: A person quits for a while, decides to start using again and shoots up their usual dose for which they no longer have sufficient tolerance. If that person knew that this is a common way people end up killing themselves, they probably wouldn't make this mistake.