Dr. Topoti Mukherjee, Lead Consultant – Nephrology & Kidney
Transplant, Aster Whitefield Hospital

Clinicians now see a new trend where people with normal body
weight develop metabolic diseases through their hidden visceral fat
accumulation.

Body weight has served as a main measurement tool for metabolic health
assessment since the commencement of the assessment process. Doctors
increasingly warn that thinness does not guarantee health among patients
because they have started to observe this problem. Clinicians now see a
new trend where people with normal body weight develop metabolic
diseases through their hidden visceral fat accumulation.

South Asians demonstrate this emerging pattern because they tend to
accumulate internal fat despite their low body mass index (BMI) levels.

The Hidden Fat Problem
Visceral fat develops in the abdominal region where it forms a protective
layer around vital organs like the liver and pancreas and kidneys. The fat
functions as an active metabolic entity which produces inflammatory
chemicals that interfere with standard organ operation. The condition of
visceral fat exists in numerous people who maintain a slim appearance.
The condition presents itself as the "thin-fat" phenotype which
demonstrates normal body weight yet displays increased fat levels and
decreased muscle mass according to body composition analysis.

How Visceral Fat Affects Kidney Health
Doctors explain that visceral fat accumulation results in metabolic disorders
which subsequently cause kidney damage. The condition creates three
health problems which impede insulin function and result in chronic
inflammation and high blood pressure. The progressive metabolic
alterations result in destruction of the body's smallest kidney filtering
structures which eventually leads to chronic kidney disease. The initial
phase of this damage progression occurs without producing any visible

symptoms which results in most people not knowing about their kidney
function decline until it reaches advanced stages.
Why Indians Are at Higher Risk
South Asians possess a genetic trait which results in increased visceral fat
development when compared to most other ethnic groups. Metabolic
disorders can develop even within weight ranges that are often considered
"normal" when measured using body mass index (BMI). It is also important
to understand that BMI targets for Asian populations are interpreted
differently compared to global standards. Asians tend to develop metabolic
complications at lower body fat levels, which is why the thresholds are
lower. For Asians, a BMI of 18.5-22.9 kg/m2 is considered normal, 23-24.9
kg/m2 is classified as overweight, and a BMI of 25 kg/m2 or higher is
defined as obesity. This means health risks such as diabetes, fatty liver
disease, and kidney damage can begin to appear earlier even when body
weight does not seem excessive.

The pattern of dietary intake affects the situation. People develop poor
body composition because they eat refined carbohydrates in high amounts
while consuming low protein and remaining sedentary throughout their day.

The process of internal fat accumulation occurs in many people who
maintain a constant body weight. The reduction of muscle mass which
affects younger people in urban areas now stands as a major health threat
because it leads to worse metabolic performance and higher levels of
internal fat accumulation.

The Importance of Looking Beyond BMI
Medical professionals explain that BMI measurement should not serve as
the only diagnostic tool because it can miss important indicators which
develop before metabolic diseases proceed to their advanced stages. The
combination of waist circumference measurement with waist-to-height ratio
assessment and body composition testing delivers superior results for
evaluating visceral fat accumulation.

Routine health screening tests which include blood pressure
measurements and blood sugar assessments and kidney function
evaluations hold particular importance for people who have metabolic
disorders in their family background.

The body displays its initial signs of kidney distress through the presence of
slightly elevated creatinine levels and minimal protein traces in urine which
occur before the body displays any other symptoms.

Lifestyle Changes That Protect Kidney Health
The process of reducing visceral fat requires people to adopt lifestyle
changes which improve their metabolic health instead of focusing on weight
reduction. Insulin sensitivity improves when people engage in regular
physical activity which includes resistance training and strength-building
workouts that increase their muscle mass.

People need balanced nutrition as their second essential nutritional
requirement. A diet containing whole grains and multiple types of proteins
and vegetables and fruits and healthy fats helps lower body inflammation
while boosting metabolic processes. People can protect their kidney health
better when they limit their consumption of refined sugars and processed
foods and meals with high sodium content.

People can achieve better metabolic balance through proper hydration and
sufficient sleep and effective stress management.

A New Perspective on "Healthy Weight"
The concept of being "skinny but unhealthy" challenges traditional
assumptions about body weight and disease risk. Doctors now understand
that people need to maintain metabolic health through proper body
composition and healthy lifestyle choices instead of focusing on their
weight. The actual danger for most Indians exists beyond what people can
see on the weighing scale. The recognition of visceral fat's concealed
effects together with the adoption of preventive lifestyle practices will serve
as essential methods to safeguard kidney function throughout life while
stopping the progression of chronic kidney disease.