The rate of emergency department visits related to marijuana use tends to be slightly higher involving individuals aged 20 years or younger (125.3 visits per 100,000 people) than those aged 21 or older (121.5 visits per 100,000 people).
An estimated one in five inhalant users reporting lifetime inhalant use experience at least one type of inhalant withdrawal symptom.
Physical dependence and withdrawal symptoms are known to develop after only five days of the administration of Morphine.
Serious medical or mental illness as well as criminal involvement may increase the likelihood of individuals prematurely leaving drug rehab, in which case intensive interventions may be required to retain them.