Massive new study, activity cuts risk of 13 cancers

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A large new study that pooled together data from a dozen studies found that those who walk, swim, jog or do other sorts of activity the most are at lower risk of developing 13 different types of cancer compared to those who are the least active. The study included almost 1.5 million participants and supports the importance of physical activity for lower cancer risk.

It was published today in JAMA Internal Medicine.

Activity MashupAICR research shows that activity lowers risk of colon, breast, and endometrial cancers. There is some evidence being active may play a role in other cancers, but many of these studies are relatively small; AICR continues to analyze the research – including this study – as part of its Continuous Update Project.

The strength of this study was that it could pool together cancers that are not as common. Here, researchers included 12 population studies from the United States and Europe to look at how physical activity links to 26 cancer types. All together, the studies included 1.4 million men and women, ages 18 to 98. The average age was 59. Read more… “Massive new study, activity cuts risk of 13 cancers”

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    White House focuses on microbiome, the trillions of microbes that link to cancer risk

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    The bacteria and other microbes living inside us will soon get a much closer look, with the White House announcing a major new initiative today that promises to speed up our understanding of how the trillions of microorganisms play a role in diseases, such as cancer.

    The National Microbiome Initiative is a collaboration of government and private industry and it has a broad aim to understand the microorganism communities on Earth and beyond. These communities include bacteria, viruses and fungi. As part of the Initiative the government pledged to support more than $121 million over the next couple years to research. That includes everything from investigating microbes’ role in land, sea, and space. It also involves looking at microbes in animals, including us humans.

    1214977_sA lot of the microbiome research already involves human health. Largely ignored until recently, scientists now know that our skin, mouth, gut and almost every part of our body is teeming with microbes that we depend upon for good health. Whether these microbes outnumber human cells ten to one or they’re about even, we know there are trillions of them. And that they are important. Read more… “White House focuses on microbiome, the trillions of microbes that link to cancer risk”

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      Daily weight check, small calorie cuts, more activity can help young adults prevent weight gain

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      Losing weight is hard. Keeping it off is harder. It’s definitely doable — we’ve written about successes here — but wouldn’t it be great if young adults could prevent gaining too much weight in the first place? A new multi-year study suggests that with daily weigh-ins and a few small changes, you can.

      The study is among a growing area of research looking at ways to prevent weight gain, and it’s one of the largest randomized controlled studies on the topic to date. Previous research cited in the study suggests that young adults gain about 1.5 pounds per year. Over a couple decades, that adds up. And with two-thirds of US adults now overweight or obese, the research carries important potential for slowing the obesity epidemic. That, in turn, will play a role in cancer prevention. AICR research shows that carrying too much body fat is a cause of 11 cancers, including postmenopausal breast, ovarian and advanced prostate.

      This study built upon prior research about how knowing and tracking your own weight can help with weight control.

      Study researchers split almost 600 young men and women into one of three groups: two interventions and a comparison. Ages ranged from 18 to 35 and about half were overweight. Read more… “Daily weight check, small calorie cuts, more activity can help young adults prevent weight gain”

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