Cholesterol

Introduction

Cholesterol is a lipid (fat). It is manufactured by the liver from the fatty foods that we eat, and plays a vital part in allowing the body to function normally. Cholesterol is present in the membrane (outer layer) of every cell in the body. It insulates nerve fibres, and is an essential building block for hormones, such as the sex hormones, and the hormones of the adrenal cortex. It also enables the body to produce bile salts.

Cholesterol is carried in the blood by molecules called lipoproteins. There are several different lipoproteins, but the three main types are:

Low density lipoprotein (LDL). This is often known as bad cholesterol and is thought to increase arterial disease. It carries cholesterol from the liver to the cells and can cause a harmful build-up if there is too much for the cells to use. Normally, the blood contains about 70% of LDL, but the level will vary from person to person.

High density lipoprotein (HDL). This is often referred to as 'good cholesterol', and is thought to prevent arterial disease. It takes cholesterol away from the cells and back to the liver, where it is either broken down, or is passed from the body as a waste product.

Triglycerides are another type of fatty substance present in the blood. They are found in dairy products, meat and cooking oils. Triglycerides are also produced by the liver. Those who are overweight, have a diet that is high in fatty or sugary foods, or drink a large amount of alcohol, have an increased risk of having a high triglyceride level.

The amount of cholesterol present in the blood can range from 3.6 to 7.8 mmol/litre. A level above 6 mmol/litre is considered as high, and a risk factor for arterial disease. Government advice recommends a target cholesterol level of less than 5. However, in the UK, two in three adults have a total cholesterol level of 5 or above. In England, men, on average, have a level of 5.5, and women have a level of 5.6.

Evidence strongly indicates that high cholesterol levels can cause narrowing of the arteries (atherosclerosis), heart attacks, and strokes. The risk of coronary heart disease also rises as blood cholesterol levels increase. If other risk factors, such as high blood pressure and smoking, are present, the risk increases even more.


Symptoms

High cholesterol is not a disease in itself, but it is linked to serious conditions, such as cardiovascular conditions (disease of the heart and blood vessels), angina, stroke, and mini stroke, known as transient ischaemic attack (TIA). A high level of cholesterol in your blood, together with a high level of triglycerides, can increase your risk of developing coronary heart disease.

Coronary heart disease is caused by narrowing of the arteries that supply the heart with blood. This narrowing of the arteries is called atherosclerosis. Fatty deposits, such as cholesterol, cellular waste products, calcium and other substances build up in the inner lining of an artery. This build up, known as plaque, usually affects small and medium sized arteries. The flow of blood through the arteries is restricted as the inside diameter is reduced. Blood clots, which often happen in the coronary arteries during a heart attack, are more likely to develop when arterial walls are roughened by the build up of fatty deposits.

A high cholesterol level may only be revealed if you have symptoms of atherosclerosis. These can include:

angina, caused by narrowed coronary arteries in the heart,
leg pain on exercising, due to narrowing of the arteries that supply the lower limbs,
blood clots and ruptured blood vessels, which can result in a stroke or mini-stroke (transient ischaemic attack (TIA)),ruptured plaques, which can lead to a blood clot forming in one of the arteries delivering blood to the heart (coronary thrombosis), and may lead to heart failure if a significant amount of heart muscle is damaged, and
thick yellow patches (xanthomas) around the eyes or elsewhere on the skin. These are cholesterol deposits and can often be seen in people with inherited, or familial cholesterol (where your family members have a history of high cholesterol).

CausesA number of different factors can contribute to high blood cholesterol.


Lifestyle risk factors

There are a number of preventable lifestyle-related risk factors that can increase your risk of developing high blood cholesterol. They include:

unhealthy diet - some foods contain cholesterol (known as dietary cholesterol) for example, liver, kidneys and eggs. However, dietary cholesterol has little effect on blood cholesterol. More important is the amount of saturated fat in your diet. Foods that are high in saturated fat include, red meat, meat pies and sausages, hard cheese, butter and lard, pastry, cakes and biscuits, and cream, such as soured cream and crème fraîche,
lack of exercise or physical activity - can increase your level of bad cholesterol (LDL), and decrease your level of good cholesterol (HDL),
obesity - if you are overweight you are likely to have an increased level of LDL and a decreased level of HDL, increasing your overall blood cholesterol level,
smoking, and
drinking excessive amounts of alcohol - the recommended amount is 3-4 units a day for men, and 2-3 units a day for women.

Treatable risk factors

There are a number of treatable conditions that can cause high blood cholesterol. They include:

hypertension (high blood pressure),
diabetes,
a high triglyceride blood level, and
medical conditions, such as kidney and liver diseases, and an under-active thyroid gland.

Fixed risk factors

There are a number of fixed risk factors that can cause high blood cholesterol. They include:

a family history of heart disease or stroke - you are more likely to have high cholesterol if you have a close male relative (father or brother) aged under 55, or a female relative (mother or sister) aged under 65, who has been affected by coronary heart disease or stroke,
a family history of a cholesterol related conditions for example, if a close relative, such as a parent, brother, or sister has familial hyperchloresterolaemia, or combined hyperlipidaemia,
being male men are more at risk of having high blood cholesterol than women,
age the older you are, the greater the likelihood of developing atherosclerosis,
early menopause in women, and
ethnic group people who are of Indian, Pakistani, Bangladeshi, or Sri Lankan descent have an increased risk of high blood cholesterol.
If you have a fixed risk factor (or a number of fixed risk factors) it is even more important to ensure that you take steps to address any lifestyle, or treatable risk factors that you may also have.
DiagnosisTo measure cholesterol, a simple blood test is often carried out. Before the test is done, you may be asked not to eat for 12 hours (usually including night time when you are asleep). This ensures that all food is completely digested and will not affect the outcome of the test. Your GP, or practice nurse, can carry out the blood test, and will take a sample either using a needle and a syringe, or by pricking your finger.

The blood sample that is taken during the blood test will be used to determine the amount of LDL (bad cholesterol), HDL (good cholesterol), and triglycerides in your blood. Blood cholesterol is measured in units called millimoles per litre of blood (mmol/litre). In the UK, the current government recommendation is that you should have a total blood cholesterol level of less than 5mmol/litre, and an LDL cholesterol level of under 3mmol/litre.

Anyone can have their blood cholesterol level tested, but it is particularly important to have it checked if:

you are aged over 40,
you have a family history of cardiovascular disease for example, if your father or brother developed heart disease, or had a heart attack, or a stroke before the age of 55, or if your mother or sister had these conditions before the age of 65,
a close family member has a cholesterol related condition, such as familial hyperchloresterolaemia, or combined hyperlipidaemia,
you are overweight or obese,
you have high blood pressure (hypertension), or
you have a medical condition, such as a kidney condition, an under-active thyroid gland, or acute inflammation of the pancreas (acute pancreatitis). This is because these conditions can cause an increased level of cholesterol.
In assessing your risk of cardiovascular disease, heart attack, or stroke, your cholesterol ratio should not be taken on its own. A number of lifestyle factors should also be taken into consideration. For example:
smoking,
diet,
BMI (body mass index - your weight in relation to your height),
treatable risk factors, such as high blood pressure (hypertension) and diabetes, and
fixed risk factors, such as your age, sex, and ethnicity.

Treatment

If you have been diagnosed with high cholesterol, the first method of treatment will usually involve making some changes to your diet (adopting a low fat diet), and ensuring that you take plenty of regular exercise. After a few months, if your cholesterol level has not dropped, you will usually be advised to take cholesterol lowering medication.

Diet

Ensuring that you have a healthy diet by changing to one that is low in saturated fats can reduce your level of LDL or bad cholesterol. If you are in a high risk category of getting cardiovascular disease, altering your diet will not lower your risk. However, eating a healthy, balanced diet has many other health-related benefits as well as reducing your cholesterol level.

A healthy diet includes foods from all of the different food groups carbohydrates (cereals, wholegrain bread, potato, rice, pasta), proteins (for example, from lean meat, such as chicken and oily fish, like mackerel or sardines), and fats (varieties that unsaturated, such as low fat mono- or poly-unsaturated spreads, and vegetable or sunflower oil). You should also eat at least five portions of different fruit and vegetables each day.

Cholesterol lowering medication

There are several different types of cholesterol lowering medication which work in different ways. Your GP will be able to advise you about the type of treatment that is most suitable for you.

Commonly prescribed medication includes:

Statins (HMG-CoA reductase inhibitors). Statins, such as simvastatin and atorvastatin, work by blocking the enzyme (chemical) in your liver that is needed for making cholesterol. Statins are used to reduce your cholesterol to less than 4 mmol/l and your LDL cholesterol to less than 2 mmol/l. They are therefore useful in preventing and treating atherosclerosis which can cause chest pain, heart attacks, and strokes. Statins sometimes have mild side effects which can include constipation, diarrhoea, headaches, and abdominal pain.

Aspirin may be recommended, depending on your age and a number of other factors. A low daily dose of aspirin can prevent blood clots from forming. Children under 16 years of age should not take aspirin.

Niacin is a B vitamin that is found in foods and in multi-vitamin supplements. In high doses, available by prescription, niacin lowers LDL cholesterol and raises HDL cholesterol. Minor side effects include flushing or tingling skin, itching, and headaches.

Other medications, such as cholesterol absorption inhibitors (ezetimibe), and bile-acid sequestrants, are also sometimes used to treat high cholesterol. However, they may be less effective than other forms of treatment and have more side effects.

If you have high blood pressure (hypertension), your GP may also prescribe medication to lower it.

Prevention

You can help prevent high blood cholesterol by eating a healthy, balanced diet that is low in saturated fat.

Including a small amount of unsaturated fats in your diet can be a healthy choice, as this type of fat can actually reduce cholesterol levels. Current thinking is that the traditional Mediterranean diet, with its emphasis on raw olive oil in many foods, and low animal-fat content, is effective in ensuring cardiovascular health (the health of the heart and blood circulation).

Foods high in unsaturated fats include:
oily fish,
avocados,
nuts and seeds,
sunflower, rapeseed and olive oil, and
vegetable oils.
If you are overweight, losing weight should also help reduce your cholesterol level. Regular exercise can help weight loss.

If you have a family history of cholesterol problems, a blood test is advisable, as treatment may be necessary.

Chandrayan

Advantages of Green Tea

Benefits of Green Tea

There are four primary polyphenols in green tea and they are often collectively referred to as catechins.

Powerful antioxidants, catechins have been shown in recent studies to fight viruses, slow aging, and have a beneficial effect on health. Clinical tests have shown that catechins destroy free radicals and have far-reaching positive effects on the entire body.

Free radicals are highly reactive molecules and fragments of molecules that can damage the body at the cellular level leaving the body susceptible to cancer, heart disease, and many other degenerative diseases.

EGCG is a potent antioxidant.

Epigallocatechin gallate (EGCG), an antioxidant found in green tea, is at least 100 more times more effective than vitamin C and 25 times more effective than vitamin E at protecting cells and DNA from damage believed to be linked to cancer, heart disease and other serious illnesses. This antioxidant has twice the benefits of resveratrol, found in red wine.

Special Benefits of Green Tea

Reduces high blood pressure. Drinking green tea represses angiotensin II which leads to high blood pressure.

Lowers blood sugar. Green tea polyphenols and polysaccharides are effective in lowering blood sugar.

Fights cancer. There have been many studies that have shown that green tea catechins are effective at preventing cancer.

Green tea also boosts the immune system because of its high concentrations of polyphenols and flavenoids.

Green Tea and Weight Loss

If you drink green tea you can-

Lower cholesterol

Increase Thermogenesis (the body's rate of burning calories)

Enhance fat oxidation

Burns fat naturally and increases metabolism
Green tea contains high concentrations of catechin polyphenols. These compounds work with other chemicals to intensify levels of fat oxidation and thermogenesis, where heat is created in the body by burning fuels such as fat. Drinking Japanese green tea regularly will increase your metabolism and help burn fat safely and naturally.

Lowers cholesterol and increases energy expenditure
Green tea also causes carbohydrates to be released slowly, preventing sharp increases in blood-insulin levels. This promotes the burning of fat.

The thermogenic effect was originally attributed to its caffeine content. However, green tea stimulates brown fat thermogenesis far greater than a comparable amount of pure caffeine. It appears that the catechin-polyphenols, in particular epigallocatechin gallate (EGCG), and caffeine that naturally occur in green tea work synergistically to stimulate thermogenesis and augment and prolong sympathetic stimulation of thermogenesis. It has been shown to increase 24-hour energy expenditure and fat oxidation (caffeine only increases metabolism during the time you take it).

Facilitates weight loss by affecting glucose
Weight is gained as excess sugars and fats are stored in the body as fat cells. Green tea catechins can help prevent obesity by inhibiting the movement of glucose in fat cells. Epigallocatechin gallate (EGCG) has been found to be especially effective. There is now good evidence that green tea catechins are related to reductions in body fat.

EGCG is a powerful antioxidant with positive qualities but a balanced diet and exercise, lots of it, are of paramount importance to any weight reduction program.

Narmin's 3rd Birthday

Narmin's 3rd Birthday

My Message to Chief Minister of Kerala

Respected Sir,

I would request you to spare few moments from your valuable time to have a look on to the following facts, which requires your personal intervention, to improve the punctulity and efficiency of our Govt. offices.
We all are very keenly watching your innovative moves and reforms for the total socio-economic development of our socienty. You are aware that, we, expatriate community is having a major role in the socio-economic development of our state. Eventhough our contributions are getting good appreciations, we are not at all in a position to enjoy the developments of the state due to the shorter annual leave days from our employers. However, even if we get a short leave for a period of one month, we will loos most of the working days at our home country on account of Calander holidays / State holidays / National holidays / local festival holidays / Trade Union Strikes and most commenly in Harthals. In total one will get barely 2-4 working days in a month to complete if any legal formalities from our Govt. offices.

In this situation, it will be very important and helpful if the Govt. offices are opening in time and working on time. You may please recall the bold move of our the then Cheif Minister Late E.K.Nayanar, to install the Time Punching Machines at various offices. Unfortunately, it has invited 'smart protest' from all the 'Officers' irrespective of their party including ruling and opposition side. At last people of Keral could enjoy the unity of Political parties and so called working class against this move and public lost their hope and their tax, once these machines got destoyed by the "protesters".
In this circumstances, we would appreciate your appropriate action to re-instate these machine for the conveniance of common man which will be treated as social commitment of our CM. Before installing these machines, you may please have a word with the Opposition and trade unions to avoid the repetition of destruction. Since card punching machines were misused by the employees by keeping one fellow for punching all the cards, we have to think about the option of bio-time punching (using the thump impression for punching). We have already technically established public sector institutions, like Keltron etc. to develop these equipments in public sector itself.

Once agains request the intervention of your kind offices to the above small matter which can make big changes in the fast growing economy of Kerela.

Thanking you and Best wishes for your sincere efforts.

Abdulla

Nice to Listen

Months in Islam

Narmin's First Birthday

Doha Summar Surprises

This wonderful event has been taken place at "The Mall" as part of Doha Summar Surprises. Video by Liji, using our Nikon Coolpix L10

അറബിക് നാടോടി നൃത്തം

ദോഹ സൂഖ്

നര്‍മിന്‍ ബ്ലാക്ക്‌ & വൈറ്റ്

Violent-Elephent

വാടാനപ്പള്ളി, ഞങ്ങളുടെ ഗ്രാമം

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Also please visit : www.vatanappally.com

എന്‍റെ ഹോബി

Nowadays phonecard collecting turns into an elite hobby of more and more collectors. It gains popularity quickly due to the wide usage of the public phone services, as well as the low expenses of acquiring cards of a selected topic.The new passion brings an entertaining experience to everyone who spends a little time for finding and arranging his/her favorite cards. In order to fulfil your experience and get personal satisfaction, you need to have a specific required preparation and a minimal knowledge base.Only cards in good shape (unfolded, unscratched, etc.) represent an actual interest for phonecard collecting. Therefore it's highly important to care about your collection.

Narmin and her dearest friend "affar" playing under an umbrella at the beach side ..