Answer:
21.2 percent involved illicit drugs 14.3 percent involved alcohol, in combination with other drugs.
Explanation:
(either alone or in combination with another drug) increased 98.4 percent between 2004 and 2009, Patients aged 20 or younger accounted for 19.1 percent (877,802 visits) of all drug-related visits in 2009; about half of these visits involved drug abuse.
