Obesity-Related Cancer Rates Are Rising
The obesity epidemic may be contributing to an increase in certain cancers among millennials in the U.S., a new study suggests.
The obesity epidemic may contribute to an increase in some millennial cancers in the U.S., a new study suggests.
The study found that rates of certain cancers linked to obesity – including colorectal, kidney and pancreatic cancer increased among adults ages 25 to 49 from 1995 and 2014; with steeper rises seen in the youngest age groups. Rates of some of these same cancers also increased among older adults, but the increases were much smaller, the researchers said.
The study found that rates of certain obese-related cancers – including colorectal, renal and pancreatic cancers – increased between the ages of 25 and 49 in adults between 1995 and 2014, with steeper increases seen in younger age groups. The rates of some of these same cancers also increased among older adults, but the increase was much lower, the researchers said.
What's more, millennials had about double the risk of developing certain obesity-related cancers than baby boomers had at the same age The researchers noted that young adults still have an overall lower risk of developing these cancers, compared with older adults.
What's more, millennials were about twice as likely to develop certain obesity-related cancers as baby boomers were at the same age Researchers noted that young adults still have a lower overall risk of developing these cancers compared to older adults.
The findings could serve as a warning sign of a future rise in cancer rates as millennials get older, and could "potentially [halt] or [reverse the progress achieved in reducing cancer mortality over the past several decades," study senior author Dr. Ahmedin Jemal, scientific vice president of surveillance and health services research at the American Cancer Society, said in a statement. "Cancer trends in young adults often serve as a sentinel for the future disease burden in older adults, among whom most cancer occurs."
The findings could serve as a warning sign of a future increase in cancer rates as millennials age, and could potentially "stop or reverse the progress made in reducing cancer mortality over the last several decades," said Dr. Ahmedin Jemal, Senior Research Vice-President of Surveillance and Health Services Research at the American Cancer Society,It was said in a statement. "Cancer trends in young adults often serve as a sentinel for the future burden of disease in older adults, most of whom have cancer."
The study was published today (Feb. 4) in the Journal The Lancet Public Health, to coincide with World Cancer Day.
The study was published today (Feb. 4) in the Journal The Lancet Public Health, coinciding with World Cancer Day.
Obesity-related cancers
Obesity-related cancer
Excess body fat is known to increase the risk of certain cancers. In 2016, the International Agency for Research on Cancer (a branch of the World Health Organization) published a report linking obesity to a higher risk of 12 cancers: Colorectal esophageal, gallbladder, gastric cardia (a type of stomach cancer), kidney, liver and bile duct, multiple myeloma (a type of bone marrow cancer) pancreatic and thyroid cancer, and, in women, endometrial, breast and ovarian cancer.
Excess body fat is known to increase the risk of some cancers. In 2016, the International Agency for Research on Cancer (the branch of the World Health Organization) published a report linking obesity to a higher risk of 12 cancers: colorectal esophageal, gallbladder, gastric cardia (a type of stomach cancer), kidney , liver and bile duct, multiple myeloma (a type of bone marrow cancer) pancreatic cancer and endometrial hyperplasia, and endometrial, breast, and ovarian cancer in women.
In the new study, the researchers analyzed in formation on cancer rates from 25 U.S. state cancer registries (covering about two-thirds of the U.S. population) diagnosed from 1995 to 2014. They looked at the rates of 30 different cancers, including the 12 obesity-related cancers, and 18 other cancers that have not been tied to obesity, such as lung and skin cancer.
In the new study , researchers analyzed cancer formation from 25 U.S. state cancer registries (covering about two-thirds of the U.S. population) diagnosed between 1995 and 2014. They looked at the rates of 30 different cancers, including 12 obesity-related cancers, and 18 other non-obesity-related cancers, such as lung and skin cancers.
The researchers found that rates of six obesity-related cancers - colorectal, endometrial, gallbladder, kidney. pancreatic, and thyroid - Increased among adults ages 25 to 49 during the study period. Although rates of most of these cancers also rose in older adults, the increases were much smaller.
Researchers found that the rates of six obesity-related cancers-colorectal, endometrial, gallbladder, and kidney-related. Pancreatic and thyroid-Increased in adults between 25 and 49 years of age during the study period. Although the rates of most of these cancers also increased in older adults, the increase was much lower.
For example, pancreatic cancer rates increased, on average, by less than 1 percent per year among people ages 40 to 81, but rates increased 2.5 percent among people ages 30 to 34 years old; and 4.3 percent per year among those ages 25 to 29. In contrast to obesity-related cancers, rates of most of the 18 non-obesity related cancers did not increase among young adults during the study period.
For example, pancreatic cancer rates increased by an average of less than 1% per year for people between 40 and 81 years of age, but rates increased by 2.5 per cent for people between 30 and 34 years of age, and by 4.3 per cent for those between 25 and 29 years of age. In contrast to obesity-related cancers, the rates of most of the 18 non-obesity-related cancers among young adults did not increase during the study period.
"Younger generations are experiencing earlier and longer-lasting exposure to excess fat and to obesity-related health conditions that can increase cancer risk," Jemal said.
"Young generations are experiencing earlier and longer-lasting exposure to excess fat and obesity-related health conditions that may increase the risk of cancer," said Jemal.
Caution needed
Caution is needed.
It's important to keep in mind that although young adults experienced greater rises in the rates of some obesity-related cancers, the overall rate of these cancers is lower in young adults compared with older adults. For example, the rate of pancreatic cancer from 2010 to 2014 was about 2 cases per 100,000 people per year among those ages 25 to 49, compared with about 37 cases per 100,000 people per year among those ages 50 to 84.
It is important to keep in mind that, although young adults have experienced higher rates of some obesity-related cancers, the overall rate of these cancers in young adults is lower than in older adults. For example , the rate of pancreatic cancer between 2010 and 2014 was about 2 cases per 100,000 people per year between the ages of 25 and 49, compared to about 37 cases per 100,000 people per year among those agea 50 to 84.
In addition, the researchers noted that their study found only an association between obesity and cancer, and cannot prove that obesity causes these cancers. Nor can it prove that the obesity epidemic is responsible for the increases in cancer rates in young adults.
In addition , the researchers noted that their study found only an association between obesity and cancer and could not prove that obesity causes these cancers. Nor can it prove that the obesity epidemic is responsible for the increase in cancer rates in young adults.
Although the researchers speculated that increases in obesity in recent decades may have played a role in the rise of obesity-related cancers seen in the study, future studies are needed to tease out the exact reason why these cancers are increasing among young adults, they said..
Although researchers have speculated that the increase in obesity in recent decades may have played a role in the increase in obesity-related cancers seen in the study , future studies are needed to assess the exact reason why these cancers are increasing among young adults, they said.
The obesity epidemic may contribute to an increase in some millennial cancers in the U.S., a new study suggests.
The study found that rates of certain cancers linked to obesity – including colorectal, kidney and pancreatic cancer increased among adults ages 25 to 49 from 1995 and 2014; with steeper rises seen in the youngest age groups. Rates of some of these same cancers also increased among older adults, but the increases were much smaller, the researchers said.
The study found that rates of certain obese-related cancers – including colorectal, renal and pancreatic cancers – increased between the ages of 25 and 49 in adults between 1995 and 2014, with steeper increases seen in younger age groups. The rates of some of these same cancers also increased among older adults, but the increase was much lower, the researchers said.
What's more, millennials had about double the risk of developing certain obesity-related cancers than baby boomers had at the same age The researchers noted that young adults still have an overall lower risk of developing these cancers, compared with older adults.
What's more, millennials were about twice as likely to develop certain obesity-related cancers as baby boomers were at the same age Researchers noted that young adults still have a lower overall risk of developing these cancers compared to older adults.
The findings could serve as a warning sign of a future rise in cancer rates as millennials get older, and could "potentially [halt] or [reverse the progress achieved in reducing cancer mortality over the past several decades," study senior author Dr. Ahmedin Jemal, scientific vice president of surveillance and health services research at the American Cancer Society, said in a statement. "Cancer trends in young adults often serve as a sentinel for the future disease burden in older adults, among whom most cancer occurs."
The findings could serve as a warning sign of a future increase in cancer rates as millennials age, and could potentially "stop or reverse the progress made in reducing cancer mortality over the last several decades," said Dr. Ahmedin Jemal, Senior Research Vice-President of Surveillance and Health Services Research at the American Cancer Society,It was said in a statement. "Cancer trends in young adults often serve as a sentinel for the future burden of disease in older adults, most of whom have cancer."
The study was published today (Feb. 4) in the Journal The Lancet Public Health, to coincide with World Cancer Day.
The study was published today (Feb. 4) in the Journal The Lancet Public Health, coinciding with World Cancer Day.
Obesity-related cancers
Obesity-related cancer
Excess body fat is known to increase the risk of certain cancers. In 2016, the International Agency for Research on Cancer (a branch of the World Health Organization) published a report linking obesity to a higher risk of 12 cancers: Colorectal esophageal, gallbladder, gastric cardia (a type of stomach cancer), kidney, liver and bile duct, multiple myeloma (a type of bone marrow cancer) pancreatic and thyroid cancer, and, in women, endometrial, breast and ovarian cancer.
Excess body fat is known to increase the risk of some cancers. In 2016, the International Agency for Research on Cancer (the branch of the World Health Organization) published a report linking obesity to a higher risk of 12 cancers: colorectal esophageal, gallbladder, gastric cardia (a type of stomach cancer), kidney , liver and bile duct, multiple myeloma (a type of bone marrow cancer) pancreatic cancer and endometrial hyperplasia, and endometrial, breast, and ovarian cancer in women.
In the new study, the researchers analyzed in formation on cancer rates from 25 U.S. state cancer registries (covering about two-thirds of the U.S. population) diagnosed from 1995 to 2014. They looked at the rates of 30 different cancers, including the 12 obesity-related cancers, and 18 other cancers that have not been tied to obesity, such as lung and skin cancer.
In the new study , researchers analyzed cancer formation from 25 U.S. state cancer registries (covering about two-thirds of the U.S. population) diagnosed between 1995 and 2014. They looked at the rates of 30 different cancers, including 12 obesity-related cancers, and 18 other non-obesity-related cancers, such as lung and skin cancers.
The researchers found that rates of six obesity-related cancers - colorectal, endometrial, gallbladder, kidney. pancreatic, and thyroid - Increased among adults ages 25 to 49 during the study period. Although rates of most of these cancers also rose in older adults, the increases were much smaller.
Researchers found that the rates of six obesity-related cancers-colorectal, endometrial, gallbladder, and kidney-related. Pancreatic and thyroid-Increased in adults between 25 and 49 years of age during the study period. Although the rates of most of these cancers also increased in older adults, the increase was much lower.
For example, pancreatic cancer rates increased, on average, by less than 1 percent per year among people ages 40 to 81, but rates increased 2.5 percent among people ages 30 to 34 years old; and 4.3 percent per year among those ages 25 to 29. In contrast to obesity-related cancers, rates of most of the 18 non-obesity related cancers did not increase among young adults during the study period.
For example, pancreatic cancer rates increased by an average of less than 1% per year for people between 40 and 81 years of age, but rates increased by 2.5 per cent for people between 30 and 34 years of age, and by 4.3 per cent for those between 25 and 29 years of age. In contrast to obesity-related cancers, the rates of most of the 18 non-obesity-related cancers among young adults did not increase during the study period.
"Younger generations are experiencing earlier and longer-lasting exposure to excess fat and to obesity-related health conditions that can increase cancer risk," Jemal said.
"Young generations are experiencing earlier and longer-lasting exposure to excess fat and obesity-related health conditions that may increase the risk of cancer," said Jemal.
Caution needed
Caution is needed.
It's important to keep in mind that although young adults experienced greater rises in the rates of some obesity-related cancers, the overall rate of these cancers is lower in young adults compared with older adults. For example, the rate of pancreatic cancer from 2010 to 2014 was about 2 cases per 100,000 people per year among those ages 25 to 49, compared with about 37 cases per 100,000 people per year among those ages 50 to 84.
It is important to keep in mind that, although young adults have experienced higher rates of some obesity-related cancers, the overall rate of these cancers in young adults is lower than in older adults. For example , the rate of pancreatic cancer between 2010 and 2014 was about 2 cases per 100,000 people per year between the ages of 25 and 49, compared to about 37 cases per 100,000 people per year among those agea 50 to 84.
In addition, the researchers noted that their study found only an association between obesity and cancer, and cannot prove that obesity causes these cancers. Nor can it prove that the obesity epidemic is responsible for the increases in cancer rates in young adults.
In addition , the researchers noted that their study found only an association between obesity and cancer and could not prove that obesity causes these cancers. Nor can it prove that the obesity epidemic is responsible for the increase in cancer rates in young adults.
Although the researchers speculated that increases in obesity in recent decades may have played a role in the rise of obesity-related cancers seen in the study, future studies are needed to tease out the exact reason why these cancers are increasing among young adults, they said..
Although researchers have speculated that the increase in obesity in recent decades may have played a role in the increase in obesity-related cancers seen in the study , future studies are needed to assess the exact reason why these cancers are increasing among young adults, they said.
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