Next on our progressively depressing list is, well, about everything you enjoy in life. Take smoking for instance. Sources such as The Journal of Allergy and Clinical Immunology have put forth evidence that tobacco smoke exacerbates the people who have ragweed allergy; studies showed that it was up to 16.6 times higher in subjects exposed to secondhand tobacco smoke. Interestingly, the girl who everyone thought died from accidentally kissing the peanuts from her boyfriend’s mouth, Christina Desforges (RIP), actually died from second hand smoke which she took in at a marijuana and tobacco party. Cerebral anoxia (lack of oxygen to the brain) was her official cause of death.