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Progesterone Causes Less Bleeding than Most Hormone Replacement Therapies

Excessive bleeding, a troublesome side-effect that causes many women to stop taking hormone replacement therapies (HRT), is less likely with progesterone than with more commonly used synthetic versions. Results from a national clinical trial published in the November issue of the Journal of Obstetrics and Gynecology, show that a combination of estrogen and micronized progesterone (MP) causes fewer days and less intense bleeding than the most commonly used combination. Previous studies have shown that unacceptable bleeding is the reason that most women discontinue HRT during the first year of therapy.

Cancer detector works both ways

Dual use technology usually starts out with a military use that civilians find a way to commercialize. The U.S. Navy is hoping to turn that equation around with a $5 million program to improve breast cancer detection. As it happens, looking for a cancerous cell in a human breast relies on a lot of the same science as identifying targets in spy satellite photos. And since the Navy believes its current pick-'em-out technology has hit a ceiling, it hopes to develop advances in breast cancer screening that can be applied to spotting Osama bin Laden from space. Wired has a terrific story on this, and notes that real-world applications are already emerging.

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