By Steven Reinberg
FRIDAY, Oct. 20, 2017 (HealthDay News) — Smoking as well as oral sex may be a deadly combo of which raises a man’s risk for head as well as neck cancer, a brand-new study suggests.
The key factor can be transmission of oral strains of the cancer-linked human papillomavirus (HPV), which can be passed through oral sex.
In fact, men who smoke as well as have all 5 or more partners with whom they’ve had oral sex — in of which study, of which typically meant cunnilingus — hold the highest risk of developing a type of head as well as neck cancer known as oropharyngeal cancer.
Dr. Otis Brawley can be chief medical officer at the American Cancer Society. Reviewing the brand-new study, he noted of which “the incidence of oral HPV infection seems to be rising among white men in their 50s as well as 60s,” perhaps due to increasing acceptance of oral sex.
Still, for most people, the risk of contracting an HPV-linked head-as well as-neck cancer remains very low, said lead researcher Amber D’Souza. She can be an associate professor of epidemiology at Johns Hopkins Bloomberg School of Public Health in Baltimore.
D’Souza added of which the risk can be far lower among women as well as nonsmokers, as well as people who have few oral sex partners.
The brand-new findings “should reassure people of which cancer-causing oral HPV prevalence can be low among most groups,” D’Souza said.
nevertheless certain groups do have higher risk. One recent study found of which 11 million American men are infected with oral HPV. of which means one in nine U.S. males aged 18 to 69 can be infected.
Brawley said of which the increase can be partly a result of the sexual revolution inside the 1960s as well as 1970s. “The increase in oral sex led to the increased number of people with [oral] HPV,” he said.
For the brand-new study, D’Souza’s team reviewed data on more than 13,000 people, aged 20 to 69, who took part in a major federal government survey as well as had been tested for oral HPV infection.
of which survey can be a nationally representative group, so the item’s likely of which the vast majority of male participants who said they were the active partner in oral sex were heterosexual men engaging in cunnilingus.
To predict the risk of cancer via oral HPV infection, the researchers used the numbers of oropharyngeal cancer cases as well as deaths via U.S. cancer registries.
The investigators found of which men as well as women who had one or no oral sex partners had the lowest prevalence of cancer-causing oral HPV.
Rates of HPV infection went up in smokers, however, as well as the rate also went up when men as well as women had two or more oral sex partners, though the rates were still low.
The risk increased dramatically — to 7 percent — among men who smoked as well as had two to four oral sex partners. The risk rose to nearly 7.5 percent among men who didn’t smoke nevertheless who had all 5 or more oral sex partners, D’Souza’s team found.
as well as the greatest risk (nearly 15 percent) was seen among men who smoked as well as who also had all 5 or more oral sex partners, the findings showed.
More than 100 types of HPV exist, nevertheless only a few cause cancer, including cervical cancer, D’Souza noted.
Most people who contract oral HPV rid themselves of the item naturally within about nine months, Brawley noted. “nevertheless there are a group of people who get the infection as well as keep the infection for 20 or 30 years. Those are the people who end up getting head or neck or cervical cancer,” he said.
Each year inside the United States, about 16,500 cases of oropharyngeal cancer are diagnosed. Of these, 11,500 (70 percent) are related to HPV infection, D’Souza said.
Screening for oral HPV infection probably isn’t the answer, D’Souza said, because the cancers are so rare. “Current tests might identify who has an oral HPV, nevertheless do not predict future cancer risk well,” she explained.
Brawley suggested of which there can be one easily available prevention: the HPV vaccine. Given early in life, the item protects against cervical cancer as well as anal cancer, as well as most likely protects against head as well as neck cancer, too, he said.
The expect can be of which over time as more kids are vaccinated, cancers caused by HPV will greatly diminish, Brawley said.
Patti Gravitt can be a professor inside the department of global health at George Washington University in Washington, D.C. She said the connection between oral HPV as well as smoking isn’t clear.
“We also see a connection between smoking as well as cervical cancer, so the item’s likely of which smoking as well as HPV interact in some way to boost the risk of cancer,” Gravitt said.
The report was published Oct. 20 inside the Annals of Oncology.
Copyright © 2017 HealthDay. All rights reserved.
SOURCES: Amber D’Souza, Ph.D., M.P.H., associate professor, epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore; Otis Brawley, M.D., chief medical officer, American Cancer Society; Patti Gravitt, Ph.D., professor, department of global health, George Washington University, Washington, D.C.; Oct. 20, 2017, Annals of Oncology
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