Body Mass Index BMI
Determined by the indirect calculation of weight in kilograms to the square of height in meters (kg/m2), BMI is a simple and convenient proxy measure for excess adiposity in clinical settings. Many health-related indices, such as mortality risk, heart dis...
The psychological effects of dieting
The psychological effects of dieting are also important to consider. Concern about the negative consequences of weight loss was sparked, in part, by an experimental study conducted with normal-weight men who were rapidly reduced to 75 percent of their ini...
Health related benefits from weight loss dieting
There are numerous health-related benefits from weight-loss dieting in overweight individuals. Weight losses of 5 to 10 percent usually produce significant improvements in blood sugar control, hypertension, blood lipids, and other health indices. hese imp...
Binge eating is an eating disorder similar to bulimia nervosa
Binge-eating disorder is a disorder with similar characteristics to bulimia nervosa; however, the former is deined as acts of frequent overconsumption of food without the subsequent purging often seen in bulimia nervosa. his disorder has a prevalence of 1...
Bulimia nervosa is an eating disorder
Bulimia nervosa is an eating disorder where the individual experiences episodes of bingeing and purging. he incidence of the disorder is approximately 0.5 to 1 percent of women. Many of these women are in their adolescent years. he condition may also occu...
Cortisol is a corticosteroid hormone
Cortisol is a corticosteroid hormone that is produced and secreted by the human adrenal cortex. his hormone is generally responsible for restoring homeostasis in response to stress. General efects of normal levels of cortisol include elevating blood press...
Sweating is an important consideration in the area of water and electrolyte balance
Sweating is an important consideration in the area of water and electrolyte balance as this is the one route where there can be extensive losses of water and electrolytes from the body in a healthy individual. If these losses are not replaced, serious con...
The composition of human sweat
The composition of human sweat is highly variable, both between individuals and within an individual over time. However, sodium and chloride are the major electrolytes lost in sweat, with other ions being present in smaller amounts relative to the whole b...
Carbohydrate is stored in the body in the form of glycogen
Carbohydrate is stored in the body in the form of glycogen, primarily in the liver (about 70-100 g in the fed state) and in the skeletal muscles (about 300-500 g, depending on muscle mass and preceding diet). These stores are small relative to the rate of...
Definitions of famine
Definitions of famine vary but all contain the necessary elements of widespread inaccessibility to food leading to mass numbers of starved individuals. Importantly, lack of access is not equivalent to nonavailability of food within a region, as most famin...
Galactose is an important constituent
Galactose is an important constituent of the complex polysaccharides which are part of cell glycoconjugates, key elements of immunologic determinants, hormones, cell membranes structures, endogenous animal lectins, and numerous other glycoproteins. In add...
Correlations between fat distribution and genetic
A large number of studies have examined correlations between fat distribution and genetic, behavioral, and physiological variables.Many factors, including heredity, overall fatness, gender, age, smoking, alcohol consumption, physical activity, and ethnici...
Calcium is the most abundant mineral found in bone
Calcium is the most abundant mineral found in bone and comprises approximately 33% of bone mineral. Optimal calcium intakes are essential across the life cycle to meet the daily intrinsic requirements of calcium required for skeletal growth and to offset ...
Magnesium is important in calcium metabolism and bone health
More than half of the magnesium found in the body is located in bone. In addition to its presence in bone, magnesium is important in calcium metabolism and bone health because it is required for parathyroid hormone secretion. Parathyroid hormone (PTH) is ...
Vitamin D is particularly important for bone health
Vitamin D is particularly important for bone health because of the role it plays in calcium homeostasis.The active form of vitamin D stimulates the synthesis of calcium binding protein in the intestine to facilitate calcium transport across the intestine....

