Pipe smoking is the practice of tasting (or, less commonly, inhaling) the smoke produced by burning a substance, most commonly tobacco, in a pipe. It is the oldest traditional form of smoking. Although it has declined somewhat in popularity it is still widely practiced and is very common in some parts of Scandinavia.
Regular pipe smoking is known to carry serious health risks including increased risk of various forms of cancer as well as pulmonary and cardiovascular illnesses.
A number of Native American cultures have pipe-smoking traditions, which have been part of their cultures since long before the arrival of Europeans. Tobacco is often smoked, generally for ceremonial purposes, though other mixtures of sacred herbs are also common. Various types of ceremonial pipes have been smoked in ceremony to seal covenants and treaties, most notably treaties of peace (hence the misnomer, "peace pipe"). Tobacco was introduced to Europe from the Americas in the 16th century and spread around the world rapidly. In Asia during the 19th century, opium (which previously had only been eaten) was added to tobacco and smoked in pipes. Madak (the mixture of opium and tobacco) turned out to be far more addictive than orally-ingested opium, leading to social problems in China which culminated in the First (1839–1842) and Second Opium War (1856–1860).
According to Alfred Dunhill, Africans have had a long tradition of smoking hemp in gourd pipes, asserting that by 1884 the King of the Baluka tribe of the Congo had established a "riamba" or hemp-smoking cult in place of fetish-worship. Enormous gourd pipes were used.
In the 20th century, pipe smoking has been adopted as a preferred method of inhaling a variety of psychoactive drugs, and some claim it is a more intense method of ingestion. Smokeable crack cocaine has a reputation for being more addictive than cocaine's insufflated form. Similarly, methamphetamine has gained popularity in a crystalline form which when smoked in a pipe lets the user avoid the painful nasal irritation of snorting. When not applied to a cigarette or joint, the liquid form of PCP is typically smoked in a pipe with tobacco or cannabis.
Sales of pipe tobacco in Canada fell nearly 80 percent in a recent 15-year period to 27,319 kilograms in 2016, from 135,010 kilograms in 2001, according to federal data.  By comparison, Canadian cigarette sales fell about 32 percent in the same period to 28.6 billion units. 
Pipes have been fashioned from an assortment of materials including briar, clay, ceramic, corncob, glass, meerschaum, metal, gourd, stone, wood, bog oak and various combinations thereof, most notably, the classic English calabash pipe.
The size of a pipe, particularly the bowl, depends largely on what is intended to be smoked in it. Large western-style tobacco pipes are used for strong-tasting, harsh tobaccos, the smoke from which is usually not inhaled. Smaller pipes such as the midwakh or kiseru are used to inhale milder tobaccos such as dokha and kizami or other substances such as cannabis and opium.
Spoon pipes (glass pipes or glass bowl pipes) have become increasingly common with the rise of cannabis smoking. Spoon pipes are normally made of borosilicate glass to withstand repeated exposure to high temperatures. They consist of a bowl for packing material into, stem for inhaling, and a carbureter (carb) for controlling suction and airflow into the pipe. These pipes utilize a two step process. First, the user inhales while lighting the smoking material and holding down the carb, allowing smoke to fill the stem. Then, the user releases the carb while inhaling to allow air to enter the stem and smoke to be pulled into the user's mouth.
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The customs, vocabulary and etiquette that surround pipe smoking culture vary across the world and depend both on the people who are smoking and the substance being smoked.
For example, in many places in Europe and North America, tobacco pipe smoking has sometimes been seen as genteel or dignified and has given rise to a variety of customized accessories and even apparel such as the smoking jacket, and the former Pipe Smoker of the Year award in the UK, as well as the term kapnismology ("the study of smoke").
The ceremonial smoking of tobacco or other herbs, as a form of prayer, is still practiced in a number of Native American religious traditions. In southwestern Minnesota, the Pipestone National Monument commemorates Native American pipe-smoking culture.
Cannabis culture has its own pipe smoking traditions which differ from tobacco pipe smoking. For example, unlike tobacco smokers, cannabis users frequently pass a single pipe among two or more partners.
Notable pipe smokers
A number of real and fictional persons are strongly associated with the hobby of pipe smoking.
- Sparky Anderson, American baseball manager.
- Clement Attlee, UK Prime Minister (1945-51)
- Johann Sebastian Bach, German composer. He wrote an aria about his fondness for pipe smoking: So oft ich meine Tobackspfeife BWV 515a
- Douglas Bader, British military pilot.
- Ludwig van Beethoven, German composer.
- Tony Benn, British politician.
- Edgar Benson, Canadian Minister of Finance.
- Paul Vanden Boeynants, Belgian Prime Minister.
- Georges Brassens, French singer and guitarist.
- Clarence "Gatemouth" Brown, American blues musician. An avid pipe smoker, the Texas-blues guitarist often sold his own proprietary blend of pipe tobacco as well as autographed pipes at his concerts and shows.
- Martin Van Buren, 8th President of the United States (1837-41).
- Graham Chapman, British actor and comedian (Monty Python).
- Lee Van Cleef, American actor (as the Bad in The Good, the Bad and the Ugly.
- Jacques Cousteau, French documentary maker and oceanographer.
- Bing Crosby, American singer and actor.
- Allen Welsh Dulles, American diplomat and lawyer who became the first civilian Director of Central Intelligence (DCI), and its longest-serving director to date.
- Edward VIII (Duke of Windsor), British king.
- Albert Einstein, German scientist. He was known for smoking a pipe and once said, "I believe that pipe smoking contributes to a somewhat calm and objective judgment in all human affairs."
- Mircea Eliade, Romanian author and historian.
- William Faulkner, American author, known to be an enthusiastic proponent of pipe smoking.
- Gerald R. Ford, 38th President of the United States (1974-77)
- Stephen Fry, English author, actor and comedian.
- Clark Gable, American actor.
- Theodor Seuss Geisel, German-American author, political cartoonist.
- George Gissing, English author.
- Vincent van Gogh, Dutch painter
- Cary Grant, British-American actor.
- Günter Grass, German novelist.
- Che Guevara, Argentine revolutionary, who was known to enjoy a pipe from time to time, in addition to his usual cigar.
- Dag Hammarskjöld Swedish diplomat, spiritual diarist and second Secretary General of the United Nations Organisation.
- Hugh Hefner, American publisher.
- Ernest Hemingway, American novelist.
- Earl Hines, American jazz musician.
- Herbert Hoover, 31st President of the United States (1928-33)
- Edwin Hubble, American astronomer.
- Burl Ives, American singer
- Albert King, American blues singer and guitarist.
- C. S. Lewis, British author, theologian, professor.
- Subcomandante Marcos, Mexican revolutionary.
- Douglas MacArthur, American general, often photographed with his signature corncob pipe.
- Thabo Mbeki, President of South Africa (1999-2008).
- Eric Morecambe, British comedian.
- Charles Stewart Mott, GM executive, philanthropist, Flint Mayor.
- Harry Mulisch, Dutch novelist.
- Sandro Pertini, Italian president.
- Sheikh Mujibur Rahman, Bangladeshi politician.
- Satyajit Ray, was seen to smoke his trademark Dunhill pipe frequently along with his usual cigarette smoking.
- George Lincoln Rockwell, American politician.
- Franklin D. Roosevelt, 32nd President of the United States (1932-45).
- Bertrand Russell, British philosopher.
- Jean-Paul Sartre, French philosopher.
- Helmut Schmidt, West-German Chancellor.
- Samuel J. Seymour, the last surviving person who had been present in Ford's Theatre the night of the assassination of U.S. President Abraham Lincoln on April 14, 1865
- Will Self, British author.
- Georges Simenon, Belgian novelist. His most famous character, Jules Maigret, is also a pipe smoker.
- Paul T. Spaniola I (1913-2013) owner of Paul's Pipe Shop in Flint, Michigan and a six time IAPSC pipe smoking champion; was made a Kentucky Colonel for tobacco industry advancements (creating a oil curing method for pipes to give off a sweeter smoke and industry promoting)
- Joseph Stalin, Russian head of state. He was frequently shown with a pipe: "Photos of him appeared daily in the Soviet press, now in genial pipe-smoking profile, now walking with his comrades..."
- Jacques Tati, French actor, comedian and film director.
- J. R. R. Tolkien, British novelist.The Hobbit and The Lord of the Rings have several detailed scenes of characters engaging in it. He himself was an avid pipe smoker.
- Mark Twain, American author, a.k.a. Samuel Clemens, writer of Huckleberry Finn favored Missouri Meershaum corncob pipes. He was notoriously partial to a special blend of "Cuban leaf" pipe tobacco, remarking once that "If I cannot smoke in heaven, then I shall not go."
- Edward Upward, British novelist.
- Stevie Ray Vaughn, Texas blues musician guitar player and song writer (1954-1990)
- Harold Wilson, UK Prime Minister (1964-70, 1974-76).
- Olivier B. Bommel, Dutch comics character from Tom Poes.
- César, Belgian comics character from Urbanus.
- Cowboy Henk, Belgian comics character.
- Frosty the Snowman, A fictional Christmas character, featured in both songs and cartoon films of the same name, that is always depicted and described as "With a corncob pipe and a button nose, and two eyes made out of coal". Such depictions likely suggests that Frosty was a pipe smoker, or at least an aesthetic pipe proprietor.
- Captain Haddock, Belgian comics character from The Adventures of Tintin.
- Sherlock Holmes, British literary character. He is explicitly described as a pipe smoker.
- Monsieur Hulot, French film character.
- Kapitein Rob, Dutch comics character.
- M, British literary and film character (James Bond)
- Jules Maigret, Belgian literary character, created by Georges Simenon, who was also a pipe smoker.
- Mammy Yokum, American comics character from Li'l Abner.
- Philip Mortimer, Belgian comics character from Blake and Mortimer.
- L'Oncle Paul, Belgian comics character.
- Paulus the woodgnome, Dutch comics character.
- Madam Pheip, Belgian comics character from The Adventures of Nero. She is a bossy woman who always smokes a pipe.
- Piet Pienter, Belgian comics character from Piet Pienter en Bert Bibber.
- Popeye, American comics and cartoon character, known for his corn pipe.
- Davey Jones, Capitan of the Flying Dutchman Pirates of the a Caribbean
- Roger Radcliffe 101 Dalmatians.
- Santa Claus, folklore character. Is described thus (1839): "The stub of a pipe he held clenched in his teeth."
- Mister Fantastic, Marvel comics character from the Fantastic Four smoked a pipe in early issues of the series.
More examples can be found in the Pipe Smoker of the Year list.
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The overall health risks are 10% higher in pipe smokers than in non-smokers. However, pipe or cigar smokers who are former-cigarette smokers might retain a habit of smoke inhalation. In such cases, there is a 30% increase in the risk of heart disease and a nearly three times greater risk of developing COPD. In addition, there is a causal relationship between pipe smoking and mortality due to lung and other cancers, as well as periodontal problems, such as tooth and bone loss.
However, all tobacco products deliver nicotine to the central nervous system, and there is a confirmed risk of dependence. Many forms of tobacco use are associated with a significantly increased risk of morbidity and premature mortality due to tobacco-related diseases.
Gerrit Dou: self-portrait with long-stemmed clay pipe (1645).
Georgian composer, Meliton Balanchivadze smoking pipe.
Tiger smoking a bamboo pipe, Korean folk painting from Joseon period
Arab man smoking pipe, late 1800s.
by Francesc Galofré i Oller
Portrait of a fisherman, 1890
by Dionís Baixeras i Verdaguer
Portrait of a muslim, 1880
by Simó Gómez
- "pipe smoking". The Columbia Encyclopedia, Sixth Edition. Bartleby.com. Archived from the original on August 29, 2008.
- Dunhill, Alfred, The Pipe Book, London, A & C Black, 1924
- National Trends in Drug Abuse
- Origin of kapnismology
- Hookah's New Haven
- Madden, Bill. "Sparky Anderson, a great manager with great stories, saw welcome wear thin with Reds and Tigers," Daily News (New York City), Friday, November 5, 2010.
- Edwards, Martin. "It All Comes Back". Pipes & Tobacco magazine, Spring 2002. pp. 14–17.
- "50+ Amazing Tobacco Pipe Shapes Explained - [Infographic]".
- Graves, K. Maxwell Jr. "'Pipe Smoking Friends--Famous and Infamous". Pipes & Tobacco magazine, Summer 2002. pp. 28–30.
- "The Briar Files: A blog about pipes and pipe smoking". 14 November 2009. Retrieved 15 November 2013.
- "Pipes, People and Dealing with Stress". PipesMagazine.com. 1 July 2009. Retrieved 16 November 2013.
- Gatlin, Karen (July 12, 2011). "One of downtown Flint's oldest businesses turns 83". ABC11 Raleigh-Durham. ABC12. Retrieved May 9, 2017.
- "Famous Pipe Smokers". Alt Smokers Pipe. Retrieved 16 November 2013.
- "Paul Spaniola, owner of Paul's Pipe Shop, puffs his way to second place in pipe smoking contest". The Flint Journal. Mlive Media Group. October 27, 2008. Retrieved July 17, 2015.
- Atkinson, Scott (August 27, 2013). "Paul Spaniola remembered as family man, Flint icon, and always ready with a joke". The Flint Journal. Mlive Media Group. Retrieved July 17, 2015.
- Rocha, Lania (September 5, 2013). "Spaniola remembered for more than pipe shop". The Swartz Creek View. Retrieved May 9, 2017.
- Tucker, Robert C. (1 January 1992). "Stalin in Power: The Revolution from Above, 1928-1941". W. W. Norton & Company – via Google Books.
- "Mark Twain on Pipe Smoking".
- A Sherlock Holmes related bibliography, includes quite a few articles devoted to smoking habits of Mr. Holmes
- "Pieter Kuhn".
- Viegas CA. Noncigarette forms of tobacco use. J Bras Pneumol. 2008;34(12):1069–73. doi:10.1590/S1806-37132008001200013. PMID 19180343.