"Fat makes extra hormones, which lead to extra cell activity and extra abnormal cell activity, " she said.

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There's 4GB of memory and a 128GB SDD in all three, while the hybrid bucks the trend by offering a removable battery, with both the faster Core i5 and the Core i7 models coming with an extra cell bundled in.

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"When it comes to breast cancer risks, the extra fat in obesity leads to extra estrogen production, which can lead to extra breast cell growth, including abnormal breast cell growths, " she said.

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Again, you're looking at a heavier machine -- 6.05 pounds in this case -- but the extra screen real estate and larger six-cell battery may make it worth it for some.

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Epigenetic changes are heritable changes to the regulation of a cell's genes, caused by extra molecules being attached to those genes.

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Yes, wireless providers have steadily moving towards a tiered payment approach with their Internet products: go over a certain limit and, as with your cell phone bill, you can expect to pay extra.

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They're working with cell-phone providers to bring in mobile towers, and extra bathrooms will also be on site.

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The experts have worked out that many of the extra cases are a sub-group of the disease called "pre-cursor B-cell".

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To power this beast, Xiaomi's throwing in a 2, 000mAh cell, but you can also purchase a 3, 000mAh version if you don't mind the extra 2mm thickness on the phone.

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