Sunday February 17, 2019

High Cholesterol Level Increased Risk of Death, Even in Healthy People

Limiting saturated fat intake, maintaining a healthy weight, discontinuing tobacco use, should apply to everyone,

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red-wine
Red wine contains a plant compound called saponin which blocks the body's absorption of bad cholesterol, LDL. Pixabay

People who are young and healthy may still be vulnerable to the risk of premature death from cardiovascular disease if they have higher levels of bad cholesterol, according to a new research.

Bad cholesterol, or LDL, contributes to clogged arteries which increases the risk of heart attack and stroke.

The findings showed that compared with participants who had LDL readings of under 100 mg/dL, those with LDL levels in the range of 100-159 mg/dL had a 30 to 40 per cent higher risk of cardiovascular disease death.

Those with LDL levels of 160 mg/dL or higher had a 70 to 90 per cent increased risk of cardiovascular death, compared with participants who had LDL readings of under 100 mg/dL.

“Our study demonstrates that having a low 10-year estimated cardiovascular disease risk does not eliminate the risk posed by elevated LDL over the course of a lifetime,” said lead author Shuaib Abdullah, from the University of Texas in the US.

cholesterol checkup
New method may remove the idea of fasting before cholesterol test.

“High cholesterol at younger ages means there will be a greater burden of cardiovascular disease as these individuals age,” added Robert Eckel, from the University of Colorado in the US.

The study, published in the journal Circulation, included 36,375 young, relatively healthy participants who were free of diabetes or cardiovascular disease and were followed for 27 years.

Among the group (72 per cent men with an average age 42 years), there were 1,086 deaths from cardiovascular disease such as stroke, and 598 coronary heart disease deaths.

“Those with low risk should pursue lifestyle interventions, such as diet and exercise, to achieve LDL levels as low as possible, preferably under 100 mg/dL.

Also Read: Eating Strawberries Boosts Gut Health, Here’s How

“Limiting saturated fat intake, maintaining a healthy weight, discontinuing tobacco use, and increasing aerobic exercises should apply to everyone,” Abdullah said. (IANS)

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Know How Higher Intake of Sodium Can Treat Lightheadedness

Greater sodium intake is widely viewed as an intervention for preventing lightheadedness when moving from seated to standing positions.

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sodium
"Health practitioners initiating sodium interventions for orthostatic symptoms now have some evidence that sodium might actually worsen symptoms," Juraschek said. Pixabay

Higher sodium intake should not be used as a treatment for lightheadedness, say researchers challenging current guidelines for sodium consumption.

Lightheadedness while standing, known as postural lightheadedness, results from gravitational drop in blood pressure and is common among adults.

Greater sodium intake is widely viewed as an intervention for preventing lightheadedness when moving from seated to standing positions.

However, contrary to this recommendation, researchers at Beth Israel Deaconess Medical Centre (BIDMC) found that higher sodium intake, actually increases dizziness.

“Our study has clinical and research implications,” said Stephen Juraschek, researcher from BIDMC in Boston.

salt
Greater sodium intake is widely viewed as an intervention for preventing lightheadedness when moving from seated to standing positions. Pixabay

“Our results serve to caution health practitioners against recommending increased sodium intake as a universal treatment for lightheadedness. Additionally, our results demonstrate the need for additional research to understand the role of sodium, and more broadly of diet, on lightheadedness,” Juraschek said.

For the study, reported in The Journal of Clinical Hypertension, the team used data from the completed DASH-Sodium trial, a randomised crossover study that looked at the effects of three different sodium levels (1500, 2300, and 3300 mg/d) on participants’ blood pressure for four weeks.

While the trial showed that lower sodium led to decrease in blood pressure, it also suggested that concerns about lower level of sodium causing dizziness may not be scientifically correct.

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The study also questioned recommendations to use sodium to treat lightheadedness, an intervention that could have negative effects on cardiovascular health.

“Health practitioners initiating sodium interventions for orthostatic symptoms now have some evidence that sodium might actually worsen symptoms,” Juraschek said.

“Clinicians should check on symptoms after initiation and even question the utility of this approach. More importantly, research is needed to understand the effects of sodium on physical function, particularly in older adults.” (IANS)