Fatty liver disease is rising: 8 common NAFLD myths doctors want you to stop believing

Fatty liver disease sounds mild, almost harmless. That name alone pushes many people into denial. There is usually no pain, no dramatic symptom, and no daily disruption. So the condition stays invisible for years. By the time clear signs appear, liver damage may already be underway. Here’s a look at some of the myths that people keep ignoring about fatty liver, the signs that actually matter, and the steps that truly help. With fatty liver, the bigger question is how early people choose to notice.

This is the most damaging belief. Nearly 70 percent of fatty liver cases today are non-alcoholic fatty liver disease (NAFLD). People who never drink alcohol can still develop it due to insulin resistance, excess weight, poor diet, or genetics.

We spoke to Dr Bhaskar Nandi, Director & Head Gastroenterology Sarvodaya Hospital Greater Noida, who explained, “NAFLD occurs in 30-40% of population in our country. Majority of patients with NAFLD have Diabetes, Dyslipidemią, or Overweight/Obesity. This is the reason fatty Liver has been included as part of Metabolic Syndrome.”

A study done in 2023 states that explains that NAFLD is now the most common chronic liver disease worldwide, affecting almost 38% of people.

Many people with fatty liver look lean. Doctors even use the term “lean NAFLD.” Visceral fat, the kind that sits deep around organs, does not always show on the outside.

To this Dr Nandi added, “Central obesity (waist circumference) and not overall body weight has a stronger corelation with fatty liver. A minority (10%) of people with normal weight may also have NAFLD (called as Lean NAFLD)”
A study published via the National Institutes of Health (NIH) found fatty liver in people with normal BMI but high waist size and insulin resistance.

Routine blood tests can look “normal” even when fat is building up in the liver. ALT and AST levels often rise only after damage has started.
It is also believed by experts that NAFLD can exist with normal enzyme levels, especially in early stages.

Yes, fatty liver can improve. But that window does not stay open forever. Long-term fat buildup can turn into NASH, then fibrosis, and later cirrhosis.

Dr Nandi explained, “Today worldwide NAFLD has emerged as the commonest cause of cirrhosis, liver failure and liver cancer. It has emerged as the foremost cause of liver transplantation. Moreover, patients with NAFLD are at an increased risk of heart attack, kidney dysfunction and certain types of cancers. An appropriate medical consultation is advisable to ascertain the risks and adopt preventable measures in time.”

The National Library of Medicine, run by the US government, documents that untreated NASH significantly increases liver cancer risk.

Fatty liver whispers, not screams. Subtle signs often get ignored. These include constant tiredness, poor sleep, dull right-side abdominal heaviness, skin darkening around the neck, or sudden weight gain around the belly.
As Hippocrates famously said, “Healing is a matter of time, but it is sometimes also a matter of opportunity.”
Reality: Fatty liver shows metabolic clues, not sharp pain.

Sugar plays a role, especially fructose. But fatty liver is also driven by refined carbs, poor sleep, stress hormones, inactivity, and irregular meals.
Government-funded research from the NIH shows that insulin resistance, not just sugar intake, sits at the center of NAFLD.
Reality: The problem is metabolic overload, not one food.

There is no single approved pill for fatty liver yet. The most effective treatment remains weight reduction of 7-10 percent, strength training, daily movement, better sleep, and balanced meals.

To this Dr Nandi explained, “Treatment of NAFLD is lifestyle measures, weight reduction and management of associated metabolic conditions like Diabetes, Hypertension and Dyslipidemia, Liver specific drugs are indicated based on LFT and Fibroscan and all patients with NAFLD may not require liver-specific drug therapy. There are only a few drugs for Fatty Liver that are approved for use and none of them are available without a valid prescription.”

A NIH-supported clinical trial showed liver fat reduction through lifestyle changes alone.
Reality: The liver heals when daily habits improve.

The real warning signs include rising waist size, prediabetes, high triglycerides, low HDL cholesterol, persistent fatigue, and snoring linked to sleep apnea. These signals appear years before liver damage.
Precautionary steps include regular metabolic screening, limiting ultra-processed food, walking after meals, building muscle, and avoiding alcohol when fatty liver is present. Small changes, done consistently, protect the liver more than extreme plans.

Medical experts consulted
This article includes expert inputs shared with TOI Health by:
Dr Bhaskar Nandi, Director & Head Gastroenterology Sarvodaya Hospital Greater Noida.
Inputs were used to explain what are some of the most common myths that people believe about fatty liver and what should be done about it.