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Thursday, 1/1/2026 | 09:01 GMT+7

Why overweight people can still be malnourished

Hung Long, 39, weighing over 80 kg and having a robust physique, was diagnosed with obesity-related malnutrition during a recent check-up. He asks: what is this condition, and is it dangerous?

Answer:

Obesity-related malnutrition occurs when an individual is overweight or obese yet severely deficient in micronutrients (vitamins, minerals) and other essential nutrients. It affects both children and adults. This condition primarily stems from unhealthy diets, marked by excessive carbohydrates, fats, and proteins, insufficient vegetables and fruits, and inadequate physical activity.

Children with obesity-related malnutrition face complications affecting respiratory and digestive systems, alongside issues such as rickets and osteoporosis. Prolonged, this can cause chest deformities and spinal curvature. Symptoms include fatigue, sluggishness, reduced activity, weak immunity, and a higher infection risk. Patients often exhibit thick subcutaneous fat, loose muscles, reduced muscle mass, and slow wound healing. Despite obesity, they may suffer from anemia, calcium deficiency (leading to osteoporosis), and other micronutrient deficiencies.

Nutritionist Ngoc Lan advises patients on a scientific diet. Photo: Tam Anh General Hospital.

In adults, obesity-related malnutrition is less common, typically affecting those with improper dieting or poor eating habits. Prolonged, it can weaken the body, cause fatigue, increase illness susceptibility, and raise the risk of chronic diseases like diabetes and cardiovascular conditions.

Individuals should seek examination and treatment based on a specialist doctor's or nutritionist's specific advice. This ensures a scientific, balanced diet, providing all necessary nutrient groups to maintain health and support weight loss.

Nutritionist Hoang Dao Ngoc Lan

Endocrinology - Diabetes Unit

Tam Anh General Clinic District 7

Readers can send questions about endocrine diseases here for doctors to answer.
By VnExpress: https://vnexpress.net/vi-sao-thua-can-van-suy-dinh-duong-5000688.html
Tags: malnutrition weight loss obesity

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