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Healthy Appetite: Factors That Affect Change In Hunger
Image Credit: Canva
SummaryAppetite, distinct from hunger, is influenced by physical, mental, and environmental factors.
Appetite is an integral part of the human experience, signaling to the body that it needs refueling and nourishment. While hunger indicates a biological need for food, appetite is the psychological desire to eat. It is important to note the difference because appetite is variable, changing according to what is happening in the mind and the body, so much so that it impacts how much and what we consume.
Understanding appetite and its changes can help maintain a balanced relationship with food, ensuring better physical and mental health. This feature delves into the nuances of appetite, the factors that influence it, and how individuals can manage changes effectively.
What is Appetite?
The appetite is the desire to consume food. This can be regulated by complex interactions between the digestive, endocrine, and nervous systems in the body. Unlike hunger, which appears whenever the body requires food, the appetite is usually linked with sensory experiences and emotions. Hormones like ghrelin and leptin govern both hunger and appetite. Ghrelin sends out signals of hunger, whereas leptin informs the brain about fullness or satiety.
It is ironic that appetite could exist independent of hunger. For example, you will have a sudden urge for that slice of cake after consuming a large meal because the looks or aroma stimulate your want to eat although your body may not need more calories at the time. Conversely, hunger can be present without significant appetite as when illness brings about an aversion for food.
Factors Affecting Appetite
1. Environmental Factors
External cues, such as the sight and smell of food, can significantly stimulate appetite. Celebrations, advertisements, and even the time of day can trigger the desire to eat, regardless of hunger.
2. Lifestyle Choices
Sedentary habits, irregular eating patterns, and lack of physical activity may alter appetite regulation. In contrast, regular exercise often enhances appetite, promoting a balanced dietary intake.
3. Mental Health
Depression, anxiety, or stress can result in a change of appetite. Stress leads to overeating, whereas depression may result in an inhibitory urge to eat anything.
4. Physical Health
Some chronic diseases, for example, cancer, kidney disease, or hypothyroidism, cause appetite suppression. In contrast, diabetes and hyperthyroidism tend to enhance the appetite.
5. Sensory Factors
The senses—smell, taste, and sight—play a pivotal role in appetite stimulation. Foods that are visually appealing and aromatic are more likely to make someone want to eat.
6. Medications
Some medications are natural appetite suppressants or stimulants. Chemotherapy drugs, for instance, commonly decrease appetite, and corticosteroids and antidepressants can increase it.
When Appetite Changes Occur
Loss of Appetite
A loss of appetite can be caused by a variety of conditions, including:
- Anorexia nervosa: A mental disorder characterized by eating very little.
- Chronic illness: COPD, dementia, and hepatitis all typically decrease appetite.
- Pregnancy: Nausea during the first trimester can cause loss of appetite.
- Medications: Antibiotics and morphine are two of the most common causes.
Increased Appetite
An increased appetite may be a symptom of underlying conditions, including:
- Bulimia or binge-eating disorders
- Hormonal imbalances: Overactive thyroid or hypoglycemia can increase your appetite.
- Medication side effects: Corticosteroids and tricyclic antidepressants can increase your appetite.
Managing Appetite Changes
How to Raise Your Appetite
1. Favorite foods: Eating foods that you enjoy can stimulate your interest in food.
2. Exercise often: Physical activity can be a stimulus for hunger especially in the elderly.
3. Flavor enhancers: Herbs, spices, and sauces can enhance flavor, making food more palatable.
4. Professional consultation: A dietitian may help plan meals that could suit a person's lost appetite.
How to Suppress Appetite
1. Hydration: Sometimes, thirst can masquerade as hunger, so drinking water is necessary.
2. Mindful eating: Savoring food takes longer; hence, one learns when he or she is really hungry and not just stuffing the mouth.
3. Depend on social support: Taking meals with relatives prevents overeating due to psychological effects.
4. Visit a doctor: A healthcare professional can advise one on how to intervene when increased hunger persists.
When to Seek Medical Attention
A medical practitioner should be consulted in cases where appetite has become unrelenting, altering the weight, mood, and daily activities of a patient. For example,
- Unexplained weight loss due to reduced appetite may indicate a serious health condition.
- Increased hunger, resulting in weight gain can be a sign of hormonal imbalances or side effects from medications.
- A psychological issue such as bingeing or anorexia will require the intervention of a physician or therapist.
What to Do When You Can't Eat
For those experiencing loss of appetite, simple changes can make eating easier:
- Liquid meals: Nutrient-rich smoothies or soups are easier to consume.
- Make the environment appealing: Set a beautiful table to enhance the dining experience.
- Use supplements: Under a doctor's supervision, oral nutritional supplements can ensure adequate nutrient intake.
Appetite is a dynamic part of health, influenced by various psychological, physiological, and environmental factors. If one understands its mechanisms and manages fluctuations well, maintaining a balanced diet and overall well-being would be easier. If the changes in appetite persist, it is best to see a healthcare professional to assess the underlying causes and start interventions accordingly.
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