The human brain has a unique ability to take in information, block out unnecessary data, analyze it, and issue a motor response—all within fractions of a second. It is one of the many reasons why humans are at the top of the food chain.

But the ability to process information, make a quick decision, and act accordingly can be affected when under the influence of marijuana. All the steps involved in decision making slow down, which can—in some cases—cause catastrophic, unintended effects.