Marijuana use by people under the age of 25 directly impacts brain development, and increases the risk of ongoing problems with attention, learning, memory, and dealing with emotions.
Marijuana produced today is stronger than it has ever been.
Studies have shown that if an adolescent uses cannabis before the age of 16, and for a prolonged period, it can lead to a number of significant health problems.
Teen cannabis users are more likely to become addicted to cannabis than people who start using the drug when they are older.
Edibles can be more potent than other kinds of marijuana. The effects of marijuana can take up to four hours to peak after eating or drinking it.
Poisoning in children is increasing with availability. It mostly happens with children 12 and younger, who accidentally ingest marijuana or products containing THC. Edible products are most commonly in the form of marijuana-infused cookies, brownies or other candy. Cookies or other food products may be indistinguishable from 'regular' food.
The Northern New England Poison Center reports a rise in the number of patients under 6 years old treated at Maine Medical Center for marijuana-related poisonings from 2013-15. They also report more marijuana poisonings among all age groups across Maine from 2013-2017, with the biggest rise in children 0-5 years old. Common symptoms of marijuana poisoning are excessive sleepiness, dizziness, and trouble walking.
Marijuana poisonings are on the rise in Maine and across the nation. Marijuana produced today is stronger than it has ever been, meaning that there could be more severe marijuana poisonings in young children, teens, and adults
The average amount of THC in marijuana seized by the government in 1995 was 4%. That has since increased to about 12% in 2014.
NIDA notes that increases in potency may account for the rise in emergency department visits involving marijuana use. "For frequent users, it may mean a greater risk for addiction if they are exposing themselves to high doses on a regular basis. However, the full range of consequences associated with marijuana's higher potency is not well understood.