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Allergies [25]
Allergy is a disorder of the immune system often also referred to as atopy.

Antidepressants [24]
An antidepressant is a psychiatric medication used to alleviate mood disorders, such as major depression and dysthymia.

Arthritis [23]
Arthritis is a group of conditions involving damage to the joints of the body.

Cancer [28]
Cancer is a class of diseases in which a group of cells display uncontrolled growth

Cardio & Blood [1]
Risk factors for heart disease: infections

Cholesterol [3]
A fat-like substance called a lipid. It is used to build cell membranes, hormones and bile acids

Diabetes [20]
The inability of the body to produce, or the inability to metabolize, the human hormone insulin; Diabetes insipidus, usually a disorder of the ...

Epilepsy [9]
Epilepsy is a common chronic neurological disorder characterized by recurrent unprovoked seizures

Gastrointestinal [4]
The digestive tract is the system of organs within multicellular animals that takes in food...

General Health [54]
The infant, child or young person?s current health condition

Herbal [30]
Herbal tea, herbal medicine

Hormonal [26]
Hormones - Proteins produced by organs of the body that trigger activity in other locations.

Men's Health [2]
For men on fitness, health, sex, caree

Pain relief [23]
Pain management is the medical discipline concerned with the relief of pain.

Skin care [23]
The skin is the outer covering of the body

Weight Loss [29]
Loss of body weight by dieting or due to various easting disorders or medical conditions.

Women's Health [31]
Find information on women's health issues, and lifestyle at the Women's Health



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Awaiting moderation 84 Article

An overview of fat cell function

        AN OVERVIEW OF FAT CELL FUNCTION
Ignoring protein and alcohol, fat is carried in the bloodstream in the form of free fatty acids (FFAs) which have been broken down from triglycerides (TGs) from food and fat stores. The other main source of energy is sugar (glucose). Glucose is used up readily in muscle tissue as energy when it is available in significant amounts, such as after a meal (hence the thick arrow from glucose to the muscle). Otherwise, the muscle uses FFAs as its main source of energy (such as after overnight fasting, in which case there would be a thick arrow from FFAs to the muscle). FFAs are efficiently stored as triglycerides in the fat cell. The obligatory biochemical cost of storage of fat as body fat is about 3 per cent of the energy available in the fat. The cost of converting glucose to fat on the other hand (de novo lipogenesis) is around 25 per cent of the available energy in the carbohydrate, which helps to explain why de novo lipogenesis is now not thought to occur significantly in humans under normal physiological conditions i.e. non-forced feeding of carbohydrate.

*27\186\4*

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