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Friday, March 14, 2014

New finding in blood test for Alzheimer's disease --explained March 14, 2014

Much has been written in the past few days about a new study which has produced a blood test which  will some day be able to tell if you will get Alzheimer's disease. 

But if that's all you know, you are not well- enough informed. So let me share what knowledge I have about the test , the prognosis and what some of us have already chosen to help ourselves--and you can, too.

The study took healthy, nonsymptomatic 70 year olds as their subjects and tested their blood. Then they followed these people and discovered that some of them developed symptoms of mild cognitive decline or Alzheimer's disease a mere two years later!. The researchers went back to the lab with their new blood samples and began to compare.

They found that 90% of the folks who developed Alzheimer's disease or mild Cognitive Impairment had low levels of lipids in their blood at age 70. So far, the researchers have not stated which lipids were lower and they have not compared their results with the tau and beta amyloid studies, so this test is just at the beginning stages of development.

What are lipids?
Lipids are organic compounds that contain the same elements as carbohydrates: carbon, hydrogen, and oxygen. However, the hydrogen-to-oxygen ratio is always greater than 2:1. More important for biological systems, the carbon-to-hydrogen bonds are nonpolar covalent, which means that lipids are fat soluble and will not dissolve in water. There are four biologically important lipids:
  • Fats
  • Waxes
  • Phosolipids
  • Steroids

Read more: The Chemistry of Biology: Lipids |

What can we do? What has my physician already started me doing?
We can make sure we eat enough Omege-3's and other fatty acids, eat peanut oil and olive oil and reduce our worry about cholesterol, unless we are advised by our cardiologists that we have heart disease. Be avised that beyond cancer and heart disease, Alzheimer's disease is the largest cause of death in this country right now.

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