Boston Scientific said on Tuesday that its four year study on the effectiveness of cardiac resynchronization defibrillators in slowing the course of heart failure in patients with milder cases has proved successful.

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Many areas of the United States are seeing heat waves with temperatures reaching dangerous levels. It is possible to be smart about the hot days of summer. To have fun in the sun safely.

Those most vulnerable to the heat are the very young, the elderly, and anyone with chronic health issues.

Precautions to prevent heat-related illnesses include:

* Dress for the heat. Wear lightweight, light-colored clothing and use a hat or umbrella.

* Don't just carry water or juice with you. Drink it, even if you don't feel thirsty. Avoid alcohol and caffeine, which can dehydrate the body.

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Today Texas Governor Rick Perry signed a bill into law that will prohibit the use of indoor tanning devices for all Texans under the age of 16.5 and will require in-person parental consent for those between the ages of 16.5 and 18.

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The percentage of patients lowering their elevated ?bad? cholesterol to within target levels nearly doubled in the last decade, according to a multi-national survey reported in Circulation: Journal of the American Heart Association.

In the Lipid Treatment Assessment Project (L-TAP) 2 ? a survey of nearly 10,000 patients (average age 62) from nine countries undergoing cholesterol-lowering and management efforts ? researchers found that:

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Blood flow and respiratory rates can synch with music, indicating that music could one day be a therapeutic tool for blood pressure control and rehabilitation, according to a study by Italian researchers published in Circulation: Journal of the American Heart Association.

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