Exercise is fun! Exercise is an activity that makes your body strong. How can you exercise? You can play soccer. You can ride a bike. You can rake leaves. You can play football.

Sound a little elementary? It should -- because it comes straight from my first-grade kid's Weekly Reader. Written for your average grade school student, the Weekly Reader is a four-page magazine of sorts that pays special attention to a special topic. This week's topic: Fitness. In addition to the lesson I featured above, this little publication also includes a run-down on bones.

Your body has many bones. Exercise keeps those bones strong. Some bones hold up your body. Other bones protect the inside of your body. All your bones together make up your skeleton.

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Good news! Researchers are reporting that there may be a less painful, and more accurate, way to scan breast tissue for abnormalities. Called the "Cone Beam Breast Computed Tomography" scanner, this new form of x-ray is basically a fancier version of the CT scan. It takes a three-dimensional view of the breast and the surrounding tissue, even over into the armpit, all without compressing anything between cold glass plates.

So far the scanner has detected all cancers found by standard mammography, and in one case created a clearer image of a cancer that was hard to see on the mammogram. Researchers are hopeful so far, saying that although several trials are still needed before the study is complete, it looks as though the new scan can detect more tumors than the mammogram can.

If approved, this procedure would be much pricier than a mammogram, and therefore most likely reserved for those at highest risk. But regardless, I'm sure women all over the world will have their fingers crossed that the results so far hold true!

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