Hunger, cold, and hunger" Famine " referred to a severe lack of food due to a poor harvest. It was a manifestation of famine. The word "cold" in "cold" meant cold, and "hungry" meant hunger. Together, they referred to the situation of suffering from hunger and cold. These two words both express concepts related to poverty, lack of food, and poor living conditions.
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The hunger of hunger and coldThe 'hunger' in 'suffering from cold and hunger' meant hunger. In ancient literature such as Zuo Zhuan and Preface to Sending Dongyang Ma Sheng, there were related usages, such as "Now the people are hungry and the monarch is indulging in his desires" and "suffering from cold and hunger", which expressed that the people were in a state of hunger. The "hunger" here reflected the basic meaning of hunger caused by lack of food.
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What is the relationship between hunger and hunger?Hunger is a complex physiological and psychological phenomenon in human beings, which is related to multiple factors.
**I. Physiological Factors**
1. **Metabolism**
- The body's basal metabolic rate plays a crucial role. A higher basal metabolic rate means the body burns more energy at rest. For example, people with more muscle mass generally have a higher basal metabolic rate. Muscle tissue is more metabolically active than fat tissue. When the body's energy consumption exceeds the intake, it will send out hunger signals. For instance, athletes or those who engage in intense physical labor often have a higher energy demand, and they are more likely to feel hungry due to their high - metabolism.
2. **Hormonal Regulation**
- The hormones in the body also have a great influence on hunger. Ghrelin, often known as the "hunger hormone," is mainly secreted by the stomach. When the stomach is empty, the level of ghrelin rises, which stimulates the hypothalamus in the brain to make people feel hungry. In contrast, leptin, which is mainly secreted by adipose tissue, has an inhibitory effect on hunger. When the body has enough fat stores, leptin levels increase, and it signals to the brain to reduce appetite. However, in some obese people, there may be a phenomenon of leptin resistance, where the brain does not respond properly to leptin signals, resulting in continuous overeating.
3. **Blood Sugar Level**
- Blood sugar is an important energy source for the body. When the blood sugar level drops, such as several hours after a meal, the body will trigger a hunger response. The pancreas secretes glucagon to promote the conversion of glycogen in the liver to glucose to maintain blood sugar levels. At the same time, the drop in blood sugar also sends signals to the brain, making people feel the need to eat to replenish energy.
**II. Psychological Factors**
1. **Stress**
- In modern society, stress is a common factor affecting hunger. When people are under stress, the body will secrete hormones such as cortisol. Cortisol can increase appetite in some people. Some individuals tend to overeat high - calorie foods like sweets and fried foods when they are stressed. This is because stress may disrupt the normal regulation of the body's appetite - controlling system.
2. **Habit and Environment**
- Habit also has an impact on hunger perception. For example, if people are used to having three meals a day at regular times, their body will form a biological clock - like rhythm. When it is close to the usual mealtime, the body may start to feel hungry even if the energy reserve is not completely depleted. Moreover, the environment can also influence hunger. For example, the sight and smell of food can stimulate the appetite. When people see or smell delicious food, they may feel hungry even if they are not actually in a state of energy shortage.
3. **Emotional State**
- Emotions such as boredom, sadness, or loneliness can also lead to increased hunger in some people. Boredom may cause people to seek the pleasure of eating to relieve the dull feeling. Sadness may make people turn to food for comfort, and loneliness may prompt people to eat more as a form of self - compensation.
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