The short answer is no. Cholesterol levels can and do change, but it takes time to adjust
to changes in diet or lifestyle.
The longer answer is that cholesterol levels can change rapidly if there are drastic
changes in diet.
For example, if you cut out all animal products from your diet and eat only fruit and
vegetables for a few weeks, your cholesterol levels may drop significantly because you
are consuming less saturated fat.
But as soon as you start eating more saturated fat again, your cholesterol level will rise
again.
The best way to lower cholesterol is to make permanent lifestyle changes. These
changes include a healthy diet, regular exercise and, if necessary, weight loss.
If you have high cholesterol or other risk factors for heart disease (such as diabetes),
talk to your doctor about taking medication to lower your LDL cholesterol.
More info...
https://www.quora.com/Does-cholesterol-go-down-quickly-with-a-diet
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