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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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Everyone has one nostril that is larger than the other.
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The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.
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There are more bacteria in your mouth than there are people in the world.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
![Cardiac pacemaker. The pacemaker device is implanted beneath the skin near the heart, and the electr](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_14_27_100271629.jpeg)
![Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_15_46_100311063.jpeg)