Back in the 1950s and '60s, researchers used LSD to treat patients with alcoholism. Today, LSD is used to make electronic dance music tolerable. 

Before the trendy juice cleanses and lemon juice fasts of today, there were tapeworm pills. That's right, pills filled with parasites! Marketed to women under the belief that the tapeworms would absorb food, this bizarre diet trend usually resulted in vomiting and diarrhea. Yikes. 

Once thought to be a cure for mental disorders, the lobotomy is a medical procedure that consists of scraping away the connections of the brain's prefrontal cortex. Popular especially during the 1940s and '50s, over 50,000 lobotomies took place in the United States. Luckily, psychiatric medication came along and replaced this controversial fad. 

Remember when people thought Vitamin Water was healthy, even though it has 30 grams of sugar in every bottle? Luckily, a lawsuit filed by the Center of Science in the Public Interest helped put an end to that in 2009. 

Don't get it twisted, folks. Juice is Vitamin Water for kids! 

German aspirin manufacturer Bayer sold cough syrup made of heroin in 1890s, before they realized it was dangerously addictive. They took it off the shelves in 1899. 

A recent study of mice found that e-cigarettes generate similar harmful chemicals found in cigarettes. Sorry, bros. 

Before it was considered the dangerous addiction it is today, cocaine was considered a wonder drug. It was commonly used as a pain reliever, energy booster and dumb conversation extender. Okay, the last one is not true. 

Something about the way granola bars are marketed really makes it seem like you are going on a healthy ten-mile hike with every bite. One quick look at the label and you'll see that granola bars are just candy bars in kayaker's clothing! 

Radon, the Red Bull of the turn of the 19th century.