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For Release: February 15, 2017

Contact: communications@aicr.org 

IN THE NEWS: New Study, Young Overweight Adults Face Higher Risk of Stomach, Esophageal Cancers - AICR Comments

WASHINGTON, DC — A large new study finds that 20 year olds who are overweight and become obese later in life have approximately three times higher risk of developing esophageal and stomach cancers, compared to those at a healthy weight. 

Being overweight at age 20 also linked to a higher risk of developing either cancer type decades later when compared to heathy weight participants.

The study was published in the British Journal of Cancer. It adds to the comprehensive body of research on excess body fat and cancer, suggesting that excess weight gain as young adults can play a role in these cancers decades later.

“This is an important new study,” says Susan Higginbotham, PhD, RD, AICR's Vice President of Research. “From our research, we already know that being overweight or obese increases the risk for many types of cancer, including cancers of the esophagus and the upper stomach.

This finding that weight gain during adulthood increases risk of both of these cancers highlights the value of weight management programs and focusing on staying a healthy weight throughout life.”

AICR research shows that a third of US esophageal cancer cases could be prevented by staying a healthy weight and not drinking alcohol. The most common type of esophageal cancer, adenocarcinoma, is the type linked to excess body fat. Incidence of adenocarcinoma of the esophagus has been increasing in the United States and other Western countries in recent years.

For stomach cancer (cancers of the upper stomach, or cardia), AICR research estimates 15 percent of US cases could be prevented by staying a healthy weight.  

In the new paper, researchers pooled data from two major studies that included more than 400,000 individuals. Participants had given their height and weight when they entered the study, and when they were 20 and 50 years of age. They were then tracked to see if they developed a cancer.

Compared with individuals with a healthy BMI at all times, having a BMI classified as overweight or obese at age 20 linked to a 76 percent and 62 percent increased risk of esophageal and stomach cancer, respectively.

Those who were overweight at aged 20 and became obese by 50 years old had approximately three times and higher increased risk of esophageal and upper stomach cancers, compared to those categorized as a healthy weight.

Those who gained 44 pounds during adulthood were also twice as likely to develop esophageal cancer. 

“Our recommendation for cancer prevention is to stay a healthy weight, but this study also shows there's benefit to avoiding more weight gain, even if you are not at your ideal weight,” said Alice Bender, MS, RDN, Head of AICR Nutrition Programs. “Focus on eating healthy, and work to build activity into each day, that will reduce your risk of so many cancers, along with other chronic diseases.”

For more on the latest AICR reports on stomach and esophageal cancers, visit the Continuous Update Project section.


Notes to Editors

•        AICR research has found obesity links to increased risk of 11 cancers, including advanced prostate, colorectal esophageal, postmenopausal breast, ovarian endometrial, kidney, stomach, liver, gallbladder and pancreatic cancers. See full listing in infographic.

Follow @aicrtweets for the latest news on cancer risk and prevention. 

About AICR

Our Vision: We want to live in a world where no one develops a preventable cancer.

Our Mission: The American Institute for Cancer Research champions the latest and most authoritative scientific research from around the world on cancer prevention and survival through diet, weight and physical activity, so that we can help people make informed lifestyle choices to reduce their cancer risk.

We have contributed over $107 million for innovative research conducted at universities, hospitals and research centers across the country. Find evidence-based tools and information for lowering cancer risk, including AICR’s Recommendation for Cancer Prevention, at www.aicr.org.

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