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Are All Olive Oils Healthy? Not Really! Know Which Is The Healthiest Olive Oil For Cooking

The Kashmir Monitor

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Fats are one of three macronutrients essential for overall health and make up a large part of our bodies. We cannot absorb vitamins A, D, E or K without the fats in our diets. Healthy fats, such as nuts and seeds, cheese and olive oil can keep stress at bay, improve mood swings, decrease mental fatigue and can actually help you manage your weight. It is high time that we stop criticizing and ridiculing fats all the time. While fat in general have a bad reputation and has been linked to weight gain, not all fats are bad. You just have to make the right choices and be careful of the quantities.

No doubt, olive oil is a healthier option and should be replaced with the normal cooking oil. The important question that arises in our mind is that are all olive oils healthy? The answer is no. Olive oil is made from the pressing of olives. Extra virgin olive oil is rich in flavours as it is not diluted and undergoes minimal processing. Olive oil is rich in antioxidants, which reduces inflammation and protect scells against oxidization. It has also been shown to help lower cholesterol, reduce the risk of Type 2 diabetes, heart disease and cancer. The healthy fats in olive oil are a sustained source of energy which contribute to brain health, enhance the mood, promotes hormone development, while also keeping us full longer and the list is endless. You can use olive oil in all in your dishes, top it on your salads, roasting and grilling.

Have a look at health benefits of extra virgin olive oil:

1. Antioxidants and healthy fats:

Regular olive oil is refined and in the process all the important nutrients and antioxidants are striped off. In contrast, the natural extraction process used to produce extra virgin olive oil ensures that it retains all the nutrients and antioxidants from the olive fruit. In particular, it is rich in phenolic compounds, which are powerful antioxidants that protect the body against free radicals. Free radicals are molecules that cause cell damage and can lead to disease and the aging process. As an added benefit, extra virgin olive oil is primarily made up of monounsaturated fat which helps in maintaining a healthy heart.

2. Reduced risk of type 2 diabetes:

Type 2 diabetes is a chronic disease and is affecting a lot of people worldwide. This serious condition is characterised by the reduced effectiveness of insulin, the hormone that moves glucose out of the blood and into cells which can further be used as energy. The phenolic compounds present in extra virgin olive oil aids in glucose metabolism and improves the sensitivity and effectiveness of insulin. Incorporating olive oil in your daily diet could reduce the risk of type 2 diabetes. You can add olive oil into your salads and even replace your cooking oil with this healthier option.

3. Makes food more nutritious:

Extra virgin olive oil makes the food all the more nutritious and delicious. This is because the antioxidants in the extra virgin olive oil are so resistant to high heat that they do not break down and instead end up being absorbed by the cooked food. In addition, it also helps the cooked food to retain some nutrients that are usually lost in the process of cooking.

4. Brain health:

The phenolic components of extra virgin olive oil may help clear the compounds that cause brain degeneration. If your diet is high in extra virgin olive oil it may inhibit the compounds responsible for some brain diseases like Alzheimer’s disease and dementia. As an added benefit, polyphenols, the powerful antioxidants found in extra virgin olive oil, help to combat the oxidative stress and anxiety associated with aging.


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Health

Dietary fat is good? Dietary fat is bad? Coming to consensus

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Which is better, a low-fat/high-carbohydrate diet or a high-fat/low-carbohydrate diet — or is it the type of fat that matters? In a new paper featured on the cover of Science magazine’s special issue on nutrition, researchers from Harvard T.H. Chan School of Public Health, Boston Children’s Hospital, and colleagues with diverse expertise and perspectives on the issues laid out the case for each position and came to a consensus and a future research agenda.

The researchers agreed that no specific fat to carbohydrate ratio is best for everyone, and that an overall high-quality diet that is low in sugar and refined grains will help most people maintain a healthy weight and low chronic disease risk, medicalxpress.com reported.

“This is a model for how we can transcend the diet wars,” said lead author David Ludwig, professor in the Department of Nutrition at Harvard Chan School and a physician at Boston Children’s Hospital. “Our goal was to assemble a team with different areas of expertise and contrasting views, and to identify areas of agreement without glossing over differences.”

The authors laid out the evidence for three contrasting positions on dietary guidelines for fat and carbohydrate consumption:

1. High consumption of fat causes obesity, diabetes, heart disease, and possibly cancer, therefore low-fat diets are optimal.

2. Processed carbohydrates have negative effects on metabolism; lower-carbohydrate or ketogenic (very low-carbohydrate) diets with high fat content are better for health.

3. The relative quantity of dietary fat and carbohydrate has little health significance — what’s important is the type of fat or carbohydrate source consumed.

They agreed that by focusing on diet quality — replacing saturated or trans fats with unsaturated fats and replacing refined carbohydrates with whole grains and nonstarchy vegetables — most people can maintain good health within a broad range of fat-to-carbohydrate ratios.

Within their areas of disagreement, the authors identified a list of questions that they said can form the basis of a new nutrition research agenda, including:

1. Do diets with various carbohydrate-to-fat ratios affect body composition (ratio of fat to lean tissue) regardless of caloric intake?

2. Do ketogenic diets provide metabolic benefits beyond those of moderate carbohydrate restriction, and especially for diabetes?

3. What are the optimal amounts of specific types of fat (including saturated fat) in a very-low-carbohydrate diet?

Finding the answers to these questions, the researchers said, will ultimately lead to more effective nutrition recommendations.

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Hot bath may improve inflammation, metabolism: Study

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If you are unable to exercise, a hot water treatment may help improve inflammation and blood sugar (glucose) levels, particularly in overweight men, suggests a new study.

Physical stress such as exercise can increase the level of an inflammatory chemical (IL-6), which activates the release of anti-inflammatory substances to combat unhealthily high levels of inflammation, known as chronic low-grade inflammation.

However, a hot-water immersion may “improve aspects of the inflammatory profile and enhance glucose metabolism in sedentary, overweight males and might have implications for improving metabolic health in populations unable to meet the current physical activity recommendations”, said researchers including Christof Andreas Leicht from the Loughborough University in the UK.

For the study, published in the Journal of Applied Physiology, the team included a group of sedentary, overweight men who participated in both hot-water immersion and ambient room temperature (control) trials separated by at least three days.

In the hot water trial, the volunteers sat immersed up to their necks in 102-degree Fahrenheit water. The research team measured the men’s heart rate, blood pressure and body temperature every 15 minutes throughout both the control and immersion conditions. Blood samples were taken again two hours after each session.

The researchers found that a single hot-water immersion session causes the elevation of IL-6 levels in the blood and increased nitric oxide production, but did not change the expression of heat shock protein 72 — another protein suggested to be important for health.

However, a two-week treatment period in which the men participated in daily hot-water baths showed a reduction of fasting blood sugar and insulin levels as well as improved low-grade inflammation at rest.

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A higher BMI causes depression even in the absence of other health problems: Study

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While previous studies have already established a link between obesity and depression, in a study that claims to have found the strongest evidence regarding the link between the two, researchers have found that obesity causes depression, even in the absence of other health problems.

The research was published in the International Journal of Epidemiology.

“The team looked at UK Biobank data from more than 48,000 people with depression and compared them to more than 290,000 controls in the UK Biobank cohort of people born between 1938 and 1971, who have provided medical and genetic information. They used hospital admission data and self-reporting to determine whether people had depression”, University of Exeter’s website mentions.

The team separated the psychological component of obesity from the impact of obesity-related health problems using genes associated with higher BMI but lower risk of diseases like diabetes. In an interesting turn of events, it was found that these genes were just as strongly associated with depression as those genes associated with higher BMI and diabetes, which suggests that a higher BMI causes depression both with and without related health issues.

It was found that this effect was stronger in women than in men. “At the other ends of the BMI spectrum, very thin men are more prone to depression than men of normal weight and very thin women”, the study mentioned.

According to Professor Hypponen, Director of the Australian Centre for Precision Health, who co-led the study, “Our research shows that being overweight doesn’t just increase the risks of chronic diseases such as cancer and cardiovascular disease; it can also lead to depression”.

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