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Heart disease is an umbrella term for a number of different diseases affecting the heart. As of 2007, it is the leading cause of death in the United States, England, Canada and Wales, killing one person every 34 seconds in the United States alone.
The blood vessels consist of arteries, arterioles, capillaries, venules, and veins. All blood is carried in these vessels. The arteries, which are strong, flexible, and resilient, carry blood away from the heart and bear the highest blood pressures. Because arteries are elastic, they narrow (recoil) passively when the heart is relaxing between beats and thus help maintain blood pressure. The arteries branch into smaller and smaller vessels, eventually becoming very small vessels called arterioles. Arteries and arterioles have muscular walls that can adjust their diameter to increase or decrease blood flow to a particular part of the body.
2008-08-30

Cholesterol - The Good and The Bad  

FREE seems to be the new hip-suffix to every word we come in these days. It seems that our world is filled with all kinds of harmful substances that we are able to add that on almost every product in our shelves. Try goes beyond the items on the shelves near the supermarket, you can find the "free" on almost everything from yogurt to cook oils.

Is this bad? Not really, it is very important for us to know what we eat and stop eating when it harmful. The problem, however, resides in the fact that most of these products that claim to be free of something more dangerous than in any other way. Take the Saungsmittel sugar, they are, in fact, sugar free, but the amount of sodium in them could harm your body on the long run.

The most popular phrase since the beginning of this decade appears to be cholesterol. Everyone wants to cut it out despite the fact that our body needs. Rewind and go back to that sentence, so our body needs cholesterol, but you would not know that from that day in your oil. Even if you do not eat everything, cholesterol is an element of fatty acids through our liver, always in our blood, cell walls, and tissues.

So what are the companies? Let's take a closer look at cholesterol, there are two types: the good and the bad. They are like two opposite twins in nature, the good twin is in important body functions, and the "Evil Twin, if available, which may affect both the Blutgefae and the heart functionality.

Low-density lipoprotein (LDL) is the scientific name for "bad" cholesterol. This is the form in which cholesterol in the blood stream and is the main cause of harmful fatty deposits in arteries. The higher the LDL cholesterol in the blood, the graer is the heart disease risk.

High-density lipoprotein (HDL) is the scientific name for "good" cholesterol. This "good" cholesterol, blood cholesterol back to the liver, where they can be eliminated. Helps to prevent HDL cholesterol a building in Blutgefaen. Low HDL levels increase heart disease risk.

So before you start your cholesterol deprivation Vendetta, remember that cholesterol is essential for human life. It builds and repairs cells, it is used for the production of sex hormones like estrogen and testosterone, it is bile acids to help digest food, and it is in large quantities in the brain and nerve tissue. Be sure that the "good" cholesterol in your diet!

 

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