The greatest thing about science is that it can often debunk its own theories. Dietitians and gym trainers always warn their customers against cholesterol. While that is true, recently, there has been a lot of talk about good and bad cholesterol. The good cholesterol is good for consumption, the bad cholesterol seems to be the one you need to avoid.
However, a recent study conducted by a group titled, Low- and High-Density Lipoprotein Cholesterol and Dementia Risk Over 17 Years of Follow-up Among Members of a Large Health Care Plan has uncovered that consuming good cholesterol might not be as good as you think. In fact, it can affect your memory and may even lead to dementia.
This has obviously led to a lot of concern as some foods that you might have thought to be healthy might not be healthy after all.
Cholesterol is not all harmful, it could be described as a substance that your Red blood cells might require to be healthy and have strong walls. It is also needed to digest some substances that we intake including Vitamin D. There are three kinds of cholesterol including LDL, HDL, and VLDL. VLDL is Very low Density Lipoprotein, LDL is Low-Density Lipoprotein and HDL is high Density Lipoprotein. Both LDL and VLDL are considered to be the “bad” and HDL is graded as the good one.
So the reason for LDL and VLDL to be considered bad for health is because it is not exactly similar to the composition of the cholesterol you might need. Due to this, an increase in their count could be extremely dangerous. Both are known to trigger heart diseases by getting deposited on the arteries known to be plaques.
According to doctors, these can block the movement of blood and often result in severe pain in the heart and kidneys. It could manifest in the form of angina pain or chest pain. The buildup is slow and often the patient doesn’t know it until they check it regularly or develop a symptom.
HDL can also be characterized as a change in the composition but what distinguishes it is its ability to channel the LDL to your liver. Once they research the liver, they can be eliminated via digestion which renders it completely harmless. In the study, there were more than 180,000 people who had an average age of 69.
But the research had started 9 years ago and all this period of time data was recorded. The lead researcher on this says, “The relationship between HDL cholesterol and dementia is more complex than we previously thought.
While the magnitude of this relationship is relatively small, it’s important,” The study showed, “Higher and lower HDL-C values were associated with elevated ADRD risk compared to the middle quantile: HDL-C in the lowest quintile was associated with and HDL-C in the highest quintile was associated with an LDL-C was not associated with dementia risk overall.” More than 25000 people were known to develop dementia.
Dementia can be categorized as a degradation of mental capabilities including memory or judgment. Usually, this affects the elderly who are in their 60s and can show up as a mild impairment in memory.
Doctors believe that dementia is caused when there is damage to your nerves and brain cells. Scientists believe that it has something to do with protein build-up that interferes with the regular functioning of the brain.
So even though HDL might not harm the heart it could harm your brain which then causes dementia. However, a researcher believes, “Previous studies on this topic have been inconclusive and this study is especially informative because of the large number of participants and long follow-up.
This information allowed us to study the links with dementia across the range of cholesterol levels and achieve precise estimates even for people with cholesterol levels that are quite high or quite low.”
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