Extra weight may raise risk for Pancreatic Cancer

Agency, 2 April : Need another reason to stay slim? People who are overweight have a greater risk of dying from pancreatic cancer, especially those who are carrying extra pounds before age 50, a new study suggests.

“No matter what the age, there was some increase in pancreatic cancer deaths associated with excess weight. But the association was stronger for excess weight measured in people’s 30s and 40s,” said the study’s lead author, Eric Jacobs, senior scientific director of epidemiology research at the American Cancer Society (ACS).

“We’re not completely sure why this is. Weight gain later in life may simply have less time to cause cancer,” he said.

Between 2000 and 2015, the rate of pancreatic cancer rose about 15 percent, he said. It’s now the third-leading cause of cancer death in the United States.

One reason pancreatic cancer is so deadly is that it often isn’t discovered until it has reached an advanced stage. The disease rarely causes noticeable symptoms, and there are no effective screening tests, according to the cancer society.

But a few risk factors for pancreatic cancer can be changed. Smoking, weight and exposure to workplace chemicals are the three known risk factors that can be modified.

In the new study, researchers looked at data for almost 1 million U.S. adults with no history of cancer. The participants were enrolled in a nationwide study that began in 1982, and were followed through 2014.

The study participants reported their weight and height once — at the start of the study. This information was used to calculate each person’s body mass index (BMI), an estimate of body fat based on height and weight. A BMI from 18.5 to 24.9 is normal, while 25 to 29.9 is overweight. Over 30 is considered obese.

When BMI rose by five units — equivalent to about 32 pounds for someone who is 5 feet 7 inches tall — the risk of dying from pancreatic cancer rose:

25 percent for those between 30 and 49 years old.
19 percent for people between 50 and 59.
14 percent for people in their 60s.
13 percent for those between 70 and 89.

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3 months ago

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