weight loss

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weight loss

a reduction in body weight. The loss may be the result of a change in diet or life-style or a febrile disease. To lose 1 pound a week a person must consume 500 fewer calories daily and/or expend 500 more calories daily through physical activity. See also wasting.

weight loss

A measurable decline in body weight (BW) either intentionally or from malnutrition or illness. It is considered mild when 5% of BW is lost, moderate when 5-10% of BW is lost, and high when more than 10% of BW is lost.

Patient care

Intentional weight loss achieved through dieting and/or exercise has significant health benefits for the overweight or obese. It reduces the risk of many common illnesses, including coronary artery disease, type 2 diabetes mellitus, hyperlipidemia, and hypertension. Unintentional weight loss, esp. of more than 10% of BW may be a marker of serious disease, such as AIDS, cancer, depression, hyperthyroidism, parasitosis, peptic ulceration, or food insecurity (starvation due to an inadequate food supply).

See also: loss

weight loss

The effect of an absorbed CALORIE intake that is smaller than the calorie expenditure. Weight loss is a feature of ANOREXIA NERVOSA, CANCER, DEPRESSION, DIABETES, persistent DIARRHOEA, deliberate dieting, MALABSORPTION, starvation, THYROTOXICOSIS, TUBERCULOSIS and persistent VOMITING. Unexplained weight loss is a warning sign of possible serious disease and should never be disregarded.

weight

heaviness; the degree to which a body is drawn toward the earth by gravity. See also Tables 4.1 and 4.2.

apothecaries' weight
an outmoded system of weight used in compounding prescriptions based on the grain (equivalent 64.8 mg). Its units are the scruple (20 grains), dram (3 scruples), ounce (8 drams) and pound (12 ounces). See also Tables 4.2 and 4.3.
atomic weight
the weight of an atom of a chemical element, compared with the weight of an atom of carbon-12, which is taken as 12.00000.
avoirdupois weight
the system of weight still used for ordinary commodities in some English-speaking countries. Its units are the dram (27.344 grains), ounce (16 drams) and pound (16 ounces).
birth weight
weight of the newborn at the time of birth.
body weight
the animal's weight. In herbivores this is often debatable because of the variation in 'gut-fill' depending on the availability of palatable food. In the absence of scales the weights of large animals are often estimated on the basis of their age and their girth just behind the elbow. Called also liveweight. See also body condition score.
body weight-to-surface area
determination of many drug dosages is physiologically more accurate when based on body surface area rather than body weight; used particularly in cancer chemotherapy. For conversion table for use in dogs see Table 21.
equivalent weight
the weight in grams of a substance that is equivalent in a chemical reaction to 1.008 g of hydrogen. See also chemical equivalent.
weight gain
increase in body weight for specific periods; the principal measure of productivity in meat animals.
weight loss
the loss of body weight from that previously measured. This estimate must take into account the difference in 'gut-fill' and the effects of developing pregnancy and recent parturition.
metric weight
see Tables 4.1 and 4.2.
molecular weight
the weight of a molecule of a chemical compound as compared with the weight of an atom of carbon-12; it is equal to the sum of the weights of its constituent atoms. Abbreviated mol. wt. See also Table 6.
shifting weight limb to limb
sign indicative of lameness especially in horses; while standing the horse is continually shifting its weight from one limb to the opposite one of the pair.

Patient discussion about weight loss

Q. weightloss

A. what is the question...?

Q. How do i lose weight?

A. I think that the key to weight loss is not so much as dieting but taking control over what and how much you eat. I eat at least six times a day, thats four meals and two snacks. The protions that i eat however are not that big. I mostly just eat until I'm full or just satisfied. I really dont excercise either except for walking and I have lost 55 pounds over about a 3 or 4 month period. I LOVE food and the few diets that i did try didnt work, either because I was still hungry or I just didnt stick to them long enough to see results. I don't know if this works for everyone, but it worked for me. I think this worked because eating six meals a day kept my metabolism running almost constantly, so i ended up burning more calories than i took in. This may not take the weight off fast, but it can help you lose weight and keep it off. Hope this helps.

Q. how to lose weight without losing muscles

A. Exercise, especially one that increase the muscle mass of your body (i.e. weight lifting). In addition to the (relatively small) caloric expenditure during the exercise time itself, it's main effect is an increase in the BMR - the energy your body expends regularly, so you actually burn more calories during your daily life, even when not exercising.

Paradoxically, this will result in gaining (or not losing) weight, but with decrease in the body fat percentage, which means that the body lose fat and build muscle.

This kind of exercise is more suitable for men, since due to the lack of androgens women have much less potential to increase the muscle mass.

And of course remember you should consult your doctor before you start any exercise plan.

More discussions about weight loss
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