Increases HEARTRATE: With the intake of Marijuana, the heartrate of the person boosts and the optical eyes become crimson and swollen. Harmful to Nervous Program: If a person begin eating Marijuana in his teenage after that its nervous program become fragile and the neurons of brain begin die. Banned: It really is banned in a variety of countries as its chemical substance component is unknown because of which it really is only obtainable in herbal or medical type. Since, Marijuana is definitely a hallucinogenic drug that may business lead a person to addiction and misuse if used larger quantities or for longer intervals.‘Together, these outcomes claim that lifelong bilingualism may exert its strongest benefits on the working of frontal mind regions in aging.’ Certified from medwireNews with authorization from Springer Health care Ltd. All privileges reserved. Neither of the parties endorse or suggest any commercial products, services, or equipment.. Black Eye Symptoms Pain, swelling, and bruising will be the most common signs or symptoms of a dark eye. Initially, the swelling and discoloration could be mild.