Struggling with Low Weight: Nutritional Concerns for Teens - Nutrition

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Too thin. 😭


Hello, I am about to turn 17 years old, with a height of 152 cm and a weight of 40 kg, resulting in a BMI of only 16.8.
I usually eat multiple meals with large portions, get hungry easily, but I'm not picky with food.
I mostly drink room temperature beverages, rarely consume iced drinks, and I don't eat fried foods or instant noodles.
I have 4 to 6 meals a day, yet I am still this thin and short.
The only issue is that I have a sensitive stomach and often experience nausea.
Should I go to the hospital for any specific tests?

jaky0809, 10~19 year old female. Ask Date: 2016/11/19

Dr. Xie Huimin reply Nutrition


Dear Jaky, gastrointestinal function can affect food absorption.
If there are gastrointestinal issues, you can consult a gastroenterologist.
If there are concerns regarding height, you may want to see an orthopedic specialist for evaluation.
Regarding diet, it is recommended to maintain a balanced nutrition and to calculate your dietary intake in conjunction with appropriate exercise such as jumping rope, high jumping, playing basketball, or swimming.

Reply Date: 2016/11/19

More Info


It's great that you're reaching out for help regarding your nutritional concerns. At 17 years old, with a height of 152 cm and a weight of 40 kg, your BMI of 16.8 indicates that you are underweight. This can be concerning, especially since you mentioned that you eat multiple meals throughout the day and are not picky with your food choices. However, there are several factors that could be contributing to your low weight, and it’s important to address them comprehensively.


Nutritional Considerations
1. Caloric Intake: Even though you are eating 4 to 6 meals a day, it’s crucial to ensure that these meals are calorie-dense and nutritious. Focus on incorporating foods that are high in healthy fats, proteins, and complex carbohydrates. For example, avocados, nuts, seeds, whole grains, and lean meats can help increase your caloric intake without making you feel overly full.

2. Meal Composition: It’s not just about the quantity of food but also the quality. Ensure that each meal contains a balance of macronutrients—carbohydrates, proteins, and fats. For instance, a meal could include whole grain pasta with olive oil, grilled chicken, and a side of vegetables. This combination provides a good mix of nutrients and calories.

3. Frequent Snacking: Since you have a high metabolism and feel hungry often, consider healthy snacks between meals. Options like nut butter on whole grain toast, smoothies with protein powder, or yogurt with granola can add extra calories and nutrients.

4. Digestive Health: You mentioned having gastrointestinal issues, such as feeling nauseous. This could affect your ability to eat enough food. It may be beneficial to keep a food diary to track what you eat and how it makes you feel. If certain foods consistently cause discomfort, it might be worth avoiding them.


Medical Evaluation
Given your low weight and gastrointestinal symptoms, it would be wise to consult a healthcare professional. Here are some specific evaluations you might consider:
1. Nutritional Assessment: A registered dietitian can help analyze your dietary habits and suggest personalized strategies to increase your weight healthily.

2. Gastrointestinal Evaluation: If you frequently experience nausea or discomfort, it may be beneficial to see a gastroenterologist. They can assess for conditions such as gastritis, food intolerances, or other digestive disorders that might be affecting your appetite and nutrient absorption.

3. Blood Tests: A healthcare provider may recommend blood tests to check for deficiencies in vitamins and minerals, thyroid function, and other metabolic conditions that could contribute to low weight.

4. Mental Health Check: Sometimes, psychological factors such as stress, anxiety, or depression can affect appetite and eating habits. If you feel overwhelmed or anxious about your weight or eating, consider speaking with a mental health professional.


Lifestyle Adjustments
1. Regular Exercise: While it may seem counterintuitive, engaging in strength training can help build muscle mass, which may contribute to healthy weight gain. Focus on resistance exercises that can stimulate appetite and improve overall health.

2. Stay Hydrated: Drink plenty of fluids, but try to avoid drinking large amounts of water before meals, as it can fill you up and reduce your appetite.

3. Sleep and Stress Management: Ensure you are getting enough sleep and managing stress effectively, as both can impact your appetite and overall health.


Conclusion
In summary, while you are making efforts to eat more frequently, it’s essential to focus on the nutritional quality of your meals and address any underlying health issues that may be affecting your weight. Consulting with healthcare professionals can provide you with tailored advice and support. Remember, healthy weight gain is a gradual process, and with the right strategies, you can achieve your goals.

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