Do Processed and Red Meat Cause Cancer?
Today, the World Health Organization's International Agency for Research on Cancer published a statement in The Lancet detailing its position on the carcinogenicity of processed and red meat (1). The statement, resulting from a meeting of 22 scientists from 10 countries, concluded that processed meat is a group 1 carcinogen, meaning that it is "definitely carcinogenic to humans". They also judged that red meat is a group 2A carcinogen, meaning that it probably causes cancer but the evidence isn't as strong. They're mostly referring to the links between processed and red meat and digestive tract cancer, particularly cancers of the colon and rectum.
These statements were met with a media frenzy, and the expected furor from the meat industry. The most surprising thing, for me, is that anyone would be surprised by the IARC's statement.
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These statements were met with a media frenzy, and the expected furor from the meat industry. The most surprising thing, for me, is that anyone would be surprised by the IARC's statement.
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Why Do Girls and Boys Reach Puberty Younger Than They Used To?
Girls, and probably boys, are reaching puberty years younger than they did in our great-grandparents' generation. Why? There's no shortage of explanations, but the primary reason is probably quite simple.
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Will You Fill Out This Paleo Diet Survey?
This week, I received an e-mail from a graduate student at Humboldt State University named May Patiño. She asked me to share her online research survey targeted to Paleo dieters. Here are the goals of her research, in her words:
Research Survey: The Paleo Diet in the US
The main objective of my study is exploring how the Paleo diet is being implemented in practice. I would like to assess the health outcomes of these practices, as well evaluate how closely they conform to, or deviate from ways this diet is being described in theoretical literature, and implemented in controlled diet trials. I also want to be able to use the data collected to help explain what is driving the popularity of the ancestral health movement. Ultimately, I would like this information to be used to better inform protocols for controlled diet trails.The survey took me about 40 minutes to complete. You're welcome to participate whether or not you're on the Paleo diet. Please consider taking the survey, for the love of science!
Research Survey: The Paleo Diet in the US
That Time I Ate Most of a Large Pizza in One Sitting
Two weeks ago, I had a brush with Extreme Eating. My experience illustrates some important principles of how the brain regulates appetite and body fatness-- and how it reacts to calorie-dense, highly rewarding foods.
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