Weight Loss During Adolescence
Hello, nutritionist: I am currently 13, almost 14 years old, with a height of 167 cm.
My weight used to be stable at 54 kg, but I feel that I look quite overweight.
I resorted to not eating (not eating for five days and then only one meal for two days), and within a month, my weight dropped to 48 kg, with thigh circumference at 48 cm, waist circumference at 62 cm, and hip circumference at 87 cm (I still feel overweight, haha).
Is this normal? I still feel very fat (especially my lower body, which I can't seem to slim down; I think my legs look thick, and I believe when others say they are thin, they are just comforting me).
Is my definition of being slim different from others? They all tell me to stop losing weight, and I want to be healthy too, but I fear that if I return to normal eating, I will regain weight.
Moreover, whenever I eat, I can't stop, almost like binge eating, and then I compensate by not eating.
I start estimating calories whenever I see food.
I think I should be eating around 2000 calories a day (although I feel like I have stopped growing, so I don't really need that much).
But doesn't dieting lower my basal metabolic rate? I feel guilty if I eat over 1000 calories, and then I start worrying about gaining weight.
In my dorm, I've observed many people who are extremely thin (or very slender) eating various snacks and drinks every day, having large meals, and indulging in high-calorie foods on weekends, yet they don't exercise, which makes me feel that weight is purely genetic.
I want to know how much I should eat (without gaining weight)? And why can they eat without gaining weight? What causes the difference in fat distribution between the upper and lower body?
Xiao Xuan, 10~19 year old female. Ask Date: 2020/10/17
Dr. Cai Xiuwen reply Nutrition
Hello, Xiao Xuan.
Based on your height and weight, your calculated BMI is 19.4, which falls within the standard range for adolescents.
(You can check the National Health Administration website for more information: https://km.hpa.gov.tw/ChildBMI/ChildBMI.html).
As for waist-to-hip ratio, it can be influenced by genetic factors, lifestyle, and dietary habits, and it varies from person to person.
If you desire a slender physique, it may not necessarily align with a healthy weight.
I recommend that you avoid rushing to control your current caloric intake; instead, focus on achieving balanced nutrition and engaging in appropriate exercise to maintain a healthy body.
Alternatively, you may seek assistance from a physician and a nutritionist at a hospital to address your concerns.
This message is from Dietitian Tsai Hsiu-Wen at Nantou Hospital, Ministry of Health and Welfare.
Wishing you peace and good health.
Reply Date: 2020/10/17
More Info
Managing weight during adolescence is a critical aspect of promoting long-term health and well-being. At 13 years old, your body is still growing and developing, and it’s essential to approach weight management with a focus on health rather than just appearance.
Firstly, let's address your current situation. You mentioned that you are 167 cm tall and have fluctuated in weight from 54 kg to 48 kg through extreme dieting methods, such as not eating for five days and then eating very little for two days. This approach is not healthy and can lead to several negative consequences, including nutrient deficiencies, metabolic slowdown, and disordered eating patterns. It’s important to understand that healthy weight management should not involve extreme calorie restriction or skipping meals, as these practices can harm your body and mental health.
Your concern about your body image, particularly regarding your legs and waist, is common among adolescents. However, it’s crucial to recognize that body shape and size can vary greatly among individuals, and what is considered "normal" can differ from person to person. The perception of being "fat" is often influenced by societal standards and peer comparisons, which can be misleading. Instead of focusing solely on weight or measurements, consider how you feel physically and emotionally.
Regarding your eating habits, it’s concerning that you feel guilty about eating and have developed a pattern of binge eating followed by restriction. This cycle can lead to what is known as "yo-yo dieting," where weight fluctuates significantly, often leading to increased body fat over time. It’s essential to establish a balanced relationship with food. Instead of counting calories obsessively, aim for a varied diet that includes fruits, vegetables, whole grains, lean proteins, and healthy fats.
For a 13-year-old, the estimated caloric needs can vary based on activity level, but generally, it ranges from 1,800 to 2,400 calories per day. Since you are still growing, it’s vital to ensure you are consuming enough nutrients to support your development. If you are concerned about your weight, consider consulting with a healthcare professional or a registered dietitian who specializes in adolescent nutrition. They can help you create a personalized eating plan that meets your nutritional needs while also addressing your concerns about weight.
As for the observation of peers who seem to eat without gaining weight, several factors can contribute to this, including genetics, metabolism, and activity levels. Some individuals may have a naturally higher metabolic rate or may be more active throughout the day, which can influence their body composition. It’s important to focus on your health rather than comparing yourself to others.
In summary, healthy weight management during adolescence should focus on balanced nutrition, regular physical activity, and a positive body image. Avoid extreme dieting and instead aim for sustainable lifestyle changes that promote overall well-being. Remember, your worth is not determined by your weight or appearance, and seeking support from professionals can help you navigate this challenging time in a healthy way.
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