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human health article (3)

By Terry Dunn,2014-10-16 17:04
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human health article (3)

Energy needs and weight loss

    Your body uses food for energy. It stores any excess energy as fat. This means if you eat more food than your body needs for daily activities and cell maintenance, you'll gain weight. To lose weight, you need to get your body to use up these stores of fat.

The most effective way to do this is to:

    1. Reduce the amount of calories you eat

2. Increase your levels of activity.

    This is why experts talk about weight loss in terms of diet and exercise.

Introduce changes gradually

Small changes can make a big difference. One extra biscuit a week can lead you to gain 5lb a year cut that

    biscuit out of your diet and you'll lose the same amount. You're also more likely to stick to, say, swapping full-fat milk for semi-skimmed or making time for breakfast each morning than a diet that sets rules for all foods. You should think of weight loss in terms of permanently changing your eating habits. While weight-loss goals are usually set in term of weeks, the end game is to sustain these changes over months and years, i.e. lifestyle change for life.

Increase your activity levels

    Someone who increases the amount they exercise, but maintains the same diet and calorie intake, will almost certainly lose weight. No matter if you hate gyms even light exercise, such as a short 20 minute walk, will be

    beneficial if done most days of the week. Every single time you exercise more than usual, you burn calories and fat. There are lots of ways to increase the amount of activity you do. Team sports, racket sports, aerobics classes, running, walking, swimming and cycling will all improve your fitness levels. Find something you enjoy that's easy for you to do in terms of location and cost. You're then more likely to build it into your routine and continue to exercise, despite inevitably missing the odd session through holidays, family commitments, etc.

    Get out and about at the weekend. Leave your car on the drive and walk to the shops. Try to incorporate longer walks into outings to the park, coast or countryside and take a picnic, so you're in control of what you are going to eat that day.

    Every extra step you take helps. Always use the stairs instead of the lift, or get off the bus a stop before the usual one and walk the rest of the way.

    Use commercial breaks between TV programmes to stand up and do exercise, or consider using an exercise bicycle in the living room while watching your favourite programme.

Reduce your calorie intake

    If you're overweight, you can't continue with your current eating habits if you really want to lose weight. It's not possible to reduce body fat while eating lots of food, cakes and sweets. This doesn't mean you can never have any treats, but you need to learn how to limit these foods to small quantities say, for special occasions.

    In terms of weight-loss, you can get your body to use up existing stores of fat by eating less and making healthier choices.

    This doesn't mean crash diet (anything less than 1500 calories), which usually ends up with you either getting weaker or giving up in desperation. Quick-fix diets can lead to a yo-yoing effect of drastic weight loss followed by weight gain, resulting in a vicious cycle. There are no shortcuts to losing weight in a healthy and reasonable way.

    Eating 300 to 500 calories less per day should lead to a loss of between one and two pounds per week. This is a realistic target. It may seem slow, but it would add up to a weight loss of more than three stone in a year. Fat contains the most amounts of calories out of all the food types (protein, carbohydrates), so a good way to achieve this is to cut down on fatty foods and eat more wholegrain bread, fruit and vegetables.

Below are ways to reduce calorie intake without having to alter your diet significantly.

    1. Replace fizzy drinks and fruit cordials with water.

    2. Swap whole milk for semi-skimmed, or semi-skimmed for skimmed.

    3. Eat less lunch than usual. For example, make your own sandwich and limit the use of margarine or butter

    and full-fat mayonnaise (store-bought sandwiches often contain both).

    4. Stop taking sugar in tea and coffee.

    5. Have smaller portions of the food you enjoy.

    6. Avoid having a second helping at dinner.

    7. Cut out unhealthy treats such as confectionary, sugary biscuits and crisps between meals.

    8. Cut down on alcohol intake.

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