Why do We Eat?
‘Eat to live’ or ‘live to eat’. This phrase is self-explanatory—some people eat to replenish energy, whereas some eat just because they love to eat. In general, a dichotomy of physiological and psychological drive influences the eating habits. The process of starting, continuing and stopping a meal is determined by physiological processes in conjunction with psychosociological influence.
The physiological changes revolve around the
- Metabolism and central nervous system.
While the psychosocial influences are perceived under the sections:
Mechanism of Weight Regulation
Mechanism of weight regulation
Body weight is regulated both by expenditure and intake of food. Variations in energy expenditure antagonize the effects of changes in food intake on weight. Long-term fasting results in a decrease in energy expenditure.
Who Gets Fat?
Who gets Fat
Some get fat, some do not get fat. This fact forms the basis for identifying individuals who are prone to become obese. The prevailing characteristics, which can help in identifying those individuals who are prone to become obese.
Healthy Way to Loose Weight: Diet Control?
Healthy way to loose weight
The body component of a typical normal adult individual weighing 70 kg is composed of approximately, water 42 kg, protein 12 kg, fat 12 kg and glycogen 0.5 kg (depending of how long it is since his last meal and the nature of that meal), and the remaining 3.4 kg is mostly bone mineral.
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Written by: Healthplus24 team
Date last updated: April 24, 2012