Tag: Nurses Health Study

Almonds and Cholesterol – Are Almonds a Heart-Healthy Snack

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Almonds and Cholesterol: Are Almonds Really a Heart-Healthy Snack?

It seems that many people are experiencing confusion over almonds and if they should or shouldn’t be included as part of a heart healthy diet. On one hand, almonds are reported to lower bad LDL cholesterol. On the other hand, almonds are a calorie-dense food that’s also high in fat.

Numerous studies, including one by the British Journal of Medicine, has shown convincing evidence that regular almond consumption helps lower bad LDL cholesterol. And not just any LDL, but it’s been shown to reduce the small dense LDL particles that do the most damage to your arterial walls and puts you at a much higher risk of cardiovascular disease.

So what about the question of almonds being high in fat? Over 60% of the fat content in almonds is monounsaturated fats. (This is the same type of fat that is found in olive oil.) Monounsaturated fat is widely accepted to be a key ingredient to reducing the risk of heart disease and part of a heart-healthy diet.

But the health benefits of almonds doesn’t stop with having healthy natural fat and it’s ability to lower low-density lipoproteins. Almonds pack an antioxidant punch with it’s high levels of Vitamin E. And with over 60 mg of magnesium in a quarter-cup of almonds, that’s just more good news for your heart. You see, magnesium has been shown to help improve blood flow and make things ‘easy’ on your veins and arteries. (Translation: Less stress and work for your heart.)

Concerned about adding too many calories if you start eating almonds? Truth is, almonds have been shown to be beneficial at helping aid weight loss. But if you are just a little too ‘scared’ to add more calories, do this…

Substitute almonds for other foods vs. adding almonds to your existing diet. In fact, it’s been estimated by some researchers based on date from a Nurses Health Study that replacing carbohydrates with healthy nuts like almonds may low the risk of heart disease by as much as 30%. The risk may be lowered as much as 45% if you substitute nuts with saturated fats like those founds in meat and dairy.

Looking for some ways to add almonds to your diet? Try these…

– Add almonds to your salad instead of meat or croutons
– Add to your morning cereals (hot or cold)
– Add to yogurt for a tasty crunch
– Add sliced almonds to vegetable dish (great with green beans)
– Eat with a sandwich as a crunchy substitute for chips
– Two words: Almond butter!

And not surprising, eating almond as a “whole food” is optimal for maximum health benefits. The antioxidant punch mentioned previously is more than doubled when the skins are combined with the meat of the almond, compared to either one separately.

Obesity and Heart Disease

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We only have to look at a Titian painting to recognize that at one point in the history of Western culture, fat was considered beautiful. Before the 20th Century, corpulence was touted as a sign of wealth and luxury, largely because most people were barely surviving on a meager existence.

Ironically, now in our era of affluence and plenty, we have to contend with the health and economic problems of obesity. We have a population in North America that is more than 55% overweight. More than 20% of those overweight are considered obese, a situation which proves to be an economic burden on our Health Care system because of the coronary risk factors associated with obesity. In 2004, total national health expenditure in the USA was $1.9 Trillion or $6,280 per person.

Why is obesity a risk factor for heart disease?

Among obese individuals, triglyceride levels are unusually high, while HDL levels tend to be low; both of these situations are risk factors for heart disease .A recent study involving tissues collected from autopsies of 3000 men (15-34 years old) who had died of external causes (not heart related) identified an association between obesity and coronary atherosclerosis.

Abdominal fat which characterizes obese individuals is also an area of concern. A study of 1300 Finnish men (42-60 years old) suggests that abdominal fat is an independent and major risk factor for coronary events. Several reasons have been suggested for this: a) stomach fat is continually released into the bloodstream in the form of artery-clogging fatty acids; b) abdominal fat also releases compounds that facilitate risk factors such as atherosclerosis, metabolic syndrome and inflammation; c) abdominal fat initiates biochemical events that lead to insulin resistance, a precursor of Type 2 diabetes and heart disease.

Obesity is often a precursor to metabolic syndrome, a dangerous health situation that is manifested through a cluster of symptomsexcess body fat, insulin resistance, low HDL cholesterol, high triglyceride levels and high blood pressureall risk factors for coronary events. People with metabolic syndrome release immune system messengers called cytokines into their bloodstream. Cytokines lead to a communication breakdown between body cells and insulin which leads to excessive insulin production by the pancreas, creating a situation that is a literal time bomb for heart disease . In addition, this excessive insulin production can raise fibrinogen concentrations in the bloodstream, thus allowing blood to clot more easily, a situation that is a direct risk factor for heart attacks and strokes.

Because of their size, obese individuals are more often than not sedentary in lifestyle. Inactivity in and of itself is also a coronary risk factor. Data from more than 88,000 women in the Nurses Health Study shows that a lean sedentary woman had 1.48 greater risks for coronary heart disease than a slightly heavier but physically active woman.

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