Medical professionals and researchers do advice people to keep up their level of the so-called good cholesterol in order to reduce the risk of heart attack or disease. But it has now been discovered that high level of good cholesterol may also prevent a decline in memory as reported by a new study.
Then what is cholesterol? Cholesterol can be defined as a chemical substance found in fat, blood, and other cells in your body, which doctors think may cause heart disease. Most of the cholesterol in the body is synthesized by the body and some has dietary origin. Cholesterol is found in animals fats and major dietary sources of cholesterol include egg yolks, beef, poultry, and shrimp. Plant cholesterol products are flax seed and peanut.
Researchers found that people with more high-density lipoprotein cholesterol level, know as HDL, did better on memory tests than people with low-density lipoprotein cholesterol level. The study which was led by Archana Singh-Manoux, appears in Arteriosclerosis, Thrombosis and Vascular Biology, an American Heart Association journal.
The researchers carried out a check on the cholesterol level of more than 3,600 British civil servants and gave them simple memory tests at an average age of 55 and again at 61. The simple test involves reading out load a list of 20 words to the volunteers and then asking them to write down as many as they could remember within two minutes.
It was found that not only did those with higher HDL do better than other people, but those whose HDL levels declined between tests also saw a decline in their performance.
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