Genius on drugs: remarkable people who've battled addiction - We all know of a few celebrities who regularly consume cannabis. However, some of these stars went a step further. Some of the brightest minds in various fields, including writing, science, music, and politics had phases in their life where they consumed these substances to excess.

Did the use of some of these products have a direct effect on their works? Take a look and draw your own conclusions.

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Edgar Allan Poe - The Edgar Allan Poe Society
of Baltimore believes that alcohol and drugs may have led Edgar to his mysterious death in 1849.

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Sigmund Freud - According to Vice, the father of psychoanalysis was a regular cocaine user. Freud believed in the drug so much that he came to recommend it to some of his patients.

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Winston Churchill - The British politician suffered from a heart attack and was prescribed amphetamines. In addition to this, he was also a heavy drinker.

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Charles Dickens - The Huffington Post UK site reports that the writer was an avid opium user.

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Thomas Edison - The website Disinfo points that, according to biographical records, the patent holder for the electric lamp liked to consume a cocaine concoction while working.

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Howard Hughes - The legendary aeronautical engineer and filmmaker suffered from chronic pain and took opiates to relieve it. It is also believed that he consumed cocaine, according to the website drugabuse.com.

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Stephen King - Stephen King is one of the most successful writers of modern times. However, he too has also used various drugs, including cocaine, marijuana, and Valium.

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Vincent van Gogh - The Los Angeles Times reported that the painter was a heavy drinker of absinthe, a substance that he consumed until he died.

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Carl Sagan - According to the Huffington Post, the leading astrophysicist was a regular consumer of marijuana and was in favor of drug use as a way of overcoming the 'barriers' of the mind.

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Marilyn Monroe - The actress suffered from insomnia and to cure her condition she ended up becoming addicted to a wide variety of sleeping pills.

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Jimi Hendrix - The legendary guitarist battled with addiction from early on in his life. He used various drugs and alcohol. Hendrix was found dead asphyxiated by his own vomit in 1970. The autopsy revealed large quantities of wine and other substances in his body.

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Ozzy Osbourne - The well-known Heavy Metal singer has always battled against his addictions to drugs and alcohol. He is now sober, but he has had many relapses over time.

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Robert Downey Jr. - Before becoming successful, the actor struggled with drug addiction. This addiction earned him a prison sentence and time in a rehabilitation clinic. Fortunately, he's now sober.

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Ernest Hemingway - According to Business Insider, Ernest Hemingway battled against his serious addiction to alcohol. He spent his nights drinking and his days writing.

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Pyotr Ilyich Tchaikovsky - The legendary Russian composer suffered from depression and self-medicated with alcohol.

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Samuel Taylor Coleridge - According to the website Shmoop, the English poet suffered from undiagnosed bipolar disorder, so he took opium to try to control his condition.

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George Harrison - Although all members of The Beatles experimented with drugs, Harrison was arrested on his wedding day for that very reason!

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John Lennon - John was a well-known marijuana consumer and was even arrested along with his wife, Yoko Ono, for having the drug in his possession.

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Kurt Cobain - Many believe it was Kurt Cobain's heroin habit that brought about his tragic end.

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David Bowie - During the 1970s, the legendary musician was addicted to cocaine.

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Ulysses S. Grant - The 18th President of the United States became an alcoholic during the troubled period of the US Civil War, says historynet.

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Aleister Crowley - The British occultist experimented a lot with recreational drugs and heroin.

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Anthony Kiedis - When he was younger, the Red Hot Chili Peppers singer was addicted to heroin and cocaine. However, in 1988 his band mate died of an heroin overdose and Kiedis has never used drugs ever since.

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Andy Warhol - The website warholstars points out that the famous artist was taking Adderall-type drugs to stay focused at work.

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Miles Davis - The legendary jazz musician has been addicted to heroin for several years. He overcame his addiction by locking himself up in a room in his father's house, and he only left it when he no longer needed the drug.

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Truman Capote - According to Vanity Fair, the famous author abused drugs and alcohol throughout his entire life. When he died in 1984, various types of illicit substances were found in his body.

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Francis Crick (on the right) - Some historians believe that molecular biologist Francis Crick was under the influence of LSD when he discovered the double helix of DNA.

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