باب:صحت و تندرستی

آزاد دائرۃ المعارف، ویکیپیڈیا سے
:چھلانگ بطرف رہنمائی، تلاش
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اسلام قرآن جغرافیہ تاریخ ریاضیات سائنس معاشرہ طرزیات فلسفہ مذہب فہرست ابواب
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باب:صحت و تندرستی

برائے مہربانی یہ باب زیریں تخلیق ہے اور اس کام میں آپ کی سخت مدد کی ضرورت درپیش ہے لہٰذا آپ سب سے التجا ہے کہ اس باب کے تکمیل میں حصہ لے۔امید ہے آپ سب اس کام میں ہمارا بھرپور مدد کریں گے۔

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منتخب مقالات

Physical fitness is an attribute required for service in virtually all militaries.

The notion of physical fitness is used in two close meanings.

General fitness

In its most general meaning, physical fitness is a general state of good physical health. A physically handicapped person's body may be physically fit (healthy), though its ability is likely to be less than optimum.

Physical fitness is usually a result of regular physical activity and proper nutrition.

Physical fitness can be divided into different areas, including:

The government Physical Activity Guidelines for Americans say to aim for at least 2 hours and 30 minutes of aerobic activity that requires moderate effort each week.

Task-oriented fitness

A person may be said to be physically fit to perform a particular task with a reasonable efficiency, for example, fit for military service.

Military-style

In recent years, Military-style fitness training programs have become increasingly popular among civilians. Courses are available all over the United States and Europe.

These courses always have some common elements. They often focus on military style calisthenics and group runs. The courses are often held very early in the morning and will meet in almost any weather. Students can expect push-ups, sit-ups, pullups, and jumping jacks, as well as more obscure drills such as flutter kicks, sun worshippers and flares. Almost invariably a workout will include short runs while longer runs are more scheduled. Special forces are commonly renowned for their level of fitness and intensity of their workouts.

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منتخب غذایتی مقالات

A healthy diet is a diet which contains a balanced amount of nutrients, varied food such as fruits and vegetables, proteins primarily from fish, dairy products, and nuts. Minimal amounts of caffeine, sugar, fat, salt, and alcohol. Healthy eating is identical to a healthy diet, in that it relates to the practice of food intake for healthy living. Governments often use this term to refer to the ideal diet which the average person requires to remain healthy.

Healthy diet

Despite popular belief, a reliance on a single food which composes the majority of a diet is indicative of poor eating habits. An individual on such a diet may be prone to deficiency and most certainly will not be fulfilling the Recommended Nutrient Intake.

While plants, vegetables, and fruits are known to help reduce the incidence of chronic disease[1], the benefits on health posed by plant-based foods, as well as the percentage on which a diet needs to be plant-based in order to have health benefits, is unknown. Nevertheless, plant-based food diets in society and between nutritionist circles are linked to health and longevity, as well as contributing to lowering cholesterol, weight loss, and, in some cases, stress reduction. [2]

Although a number of preconceptions of a healthy diet center around plant-based foods, the majority of assumptions about foods which are usually thought of as "bad" foods are usually correct, apart from the assumption that there are "bad" foods; many people associate dishes such as Full English cooked Breakfast and Bacon Sandwiches as foods which, if eaten regularly, can contribute to cholesterol, fat, and heart problems.

Definition

A healthy diet is usually defined as a diet in which nutrient intake is maintained, and cholesterol, salt, sugar, and fat are reduced. The idea of a healthy diet is something used by a government to ensure that people are well "protected" against common illnesses and conditions which stem from poor diet. This could include headaches, lessened sexual drive, heart disease, alcohol poisoning, or obesity.[3]

A healthy diet is a way of eating that that reduces risk for complications such as heart disease and stroke. Healthy eating includes eating a wide variety of foods including: •vegetables •whole grains •fruits •non-fat dairy products •beans •lean meats •poultry •fish


The definition of a healthy diet is sometimes also thought of as a diet which will combat or prevent illness. Although the majority of people would support this definition, few know why, other than because "bad" foods are not consumed. People with healthy diets are less likely to succumb to common minor illnesses, such as lesser forms of Influenza, mainly because consumption of a healthy diet would provide ample nutrients and energy for the body, so as to help stave off such illnesses. Similarly, the healthy diet can also be used this way to aid the body during illness. The myth of "feed a cold, starve a fever" is a common misconception among the public, particularly in the United Kingdom. This is a myth in every sense of the word because providing the body with nutrients during illness is actually beneficial - nutrient and energy stores would be replenished, allowing for more energy to be used by the body to combat illness.

The importance at present of a Healthy diet is something which is actually receiving many promotions throughout several countries due to obesity epidemics. Governments, particularly in the United Kingdom, through the advice of the Department of Health, introduced a public health white paper to parliament, CM 6374, which aimed to deal with the issues presented by particularly imported culture - cigarettes, alcohol and fast food all being produced in their majority in the United States, or by US-based companies. [4]

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منتخب بائیو-کیمیائی مقالہ

Cholesterol
Cholesterol chemical structure

Cholesterol is a steroid, a lipid, and an alcohol, found in the cell membranes of all body tissues, and transported in the blood plasma of all animals. Most cholesterol is not dietary in origin, it is synthesized internally. Cholesterol is present in higher concentrations in tissues which either produce more or have more densely-packed membranes, for example, the liver, spinal cord, brain and atheroma. Cholesterol plays a central role in many biochemical processes, but is best known for the association of cardiovascular disease with various lipoprotein cholesterol transport patterns in the blood.

The name originates from the Greek chole- (bile) and stereos (solid), as researchers first identified cholesterol (C27H45OH) in solid form in gallstones.

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