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Among its recent updates were weather advisories for the Midwest and the East Coast

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What was barely mentioned by the press, however, was that the National Cancer Institute also reported that the participants with the highest levels of beta carotene in their blood measured before the study began, went on to have fewer lung cancers. What this demonstrates is that beta-carotene-rich diets, rather than synthetic forms of beta carotene given as supplements may, in fact, have a cancer-protective effect

When examining differences between age groups and over time using repeat cross-sectional data such as this, consider that some of the differences between age groups could also be due to cohort effects (as well as age effects), in addition to changes over time