DNA Stories Living with Genes

If You Are Asian, And Overweight? Blame Your Ancestors.

You are born a lean, mean, fat-storing machine, and it's all due to the ancestral genes passed down from your forefathers.

Cedric Lee

Founder and CEO, ConnectingDNA · · 4 min read

Editor's note. This issue first ran in January 2024 and keeps the voice it was written in. We are more careful today about what a DNA test can tell you, and What your DNA can and cannot tell you sets out where we stand.

Being born in Asia during ancient times is really tough.

Asia is home to numerous countries with vastly different climates, and therefore suffers from severe natural disasters such as:

  • Floods
  • Droughts
  • Volcanic eruptions
  • Earthquakes, and many more
Four panels of flood, drought, volcano and earthquake around a map of Asia
Natural disasters are pretty common in Asia, and life can be unpredictable living under such deadly conditions. Image © Cedric Lee (DNA Storyteller).

These natural disasters do not just result in loss of human life, but also in massive destruction of food crops and livestock, leading to widespread famine.

Imagine you are a peasant farmer living in ancient China.

You work day and night on your farm, hoping the harvest will be good that year.

Unfortunately, a terrible drought hit. Your crops are all wiped out, and you begin to starve.

You struggled to survive with whatever food you could scavenge. Your body adapted to the starvation, and worked its best to keep you alive.

When the drought ended, you started farming again.

Eventually you got married, and even had children.

The genes that helped you survive the famine have been passed down to your offspring.

This is Natural Selection.

Why Do Asians Gain Weight?

Indians have the highest percentage of body fat, while Chinese have the lowest.

Because famine shaped our genomes. The traits that kept our ancestors alive through hunger are the traits that store fat efficiently now, which is why Asians carry more visceral fat at a lower BMI.

Unless you are descended from Asian royalty or nobility, chances are your ancestors used to live in conditions prone to famine and poverty.

A richly dressed man at a laden banquet table on one side, a thin man beside an empty pot on the other
There are many kinds of Asians. Some are born "luckier" than the rest. Image © Cedric Lee (DNA Storyteller).

To survive such harsh situations, your humble forefathers have developed a unique survival strategy to combat food scarcity through their genes that increase their potential to:

  • Absorb more calories from food
  • Convert these calories into stored fats
  • Store fats around organs for faster consumption

These fat reserves are then consumed by their bodies during times of famine to keep them alive.

However, while these genes may be a boon to your ancestors in their harsh reality, they have become a bane to their descendants (including me!) in the modern era of abundant, easily accessible food.

When “Fat-Loving” Genes Backfire

Asians exhibit greater waist circumference and visceral fat deposits than Caucasians of the same age group.

Have you ever seen a fat Elf?

No?

Neither have I. Asians are kind of like the Elves of the modern world.

Most Asians do not really get fat. We may be plump or even chubby, but obese?

Not so common.

Three figures side by side labelled slim elf, slim Asian and obese Asian, the last marked rare
Really obese Asians are like rare Pokémon; hard to find. Image © Cedric Lee (DNA Storyteller).

However, even if Asians might appear slimmer in build compared to our Caucasian counterparts (we do not exhibit classic signs such as a very large waistline), the danger lies within.

This internal fat, known as visceral fat, poses significant health risk.

Visceral fat that surrounds vital organs has been linked to various obesity-related metabolic diseases, including high blood pressure, heart disease, diabetes and even some cancers.

Termed the Asian Obesity Paradox, Asians are shown to have higher rate of adverse health events even at lower BMI.

A heavier man running labelled really fat but healthy, beside a slim man running labelled skinny fat but unhealthy
Caucasians may be obese, but are healthy. Whereas Asians may not be obese, but are actually unhealthy. Image © Cedric Lee (DNA Storyteller).

Furthermore, in a modern society where food is aplenty, with more processed westernised diets that have higher levels of sugar and fat, our genetic legacy of efficient food absorption and fat storage is creating a major risk factor towards your long-term health.

Conclusion

Regardless of your genes, your health (and waistline) is a direct result of your diet.

While your ancestors were responsible for giving you fat-loving genes, you cannot really blame them.

After all, if they did not survive to pass down these traits, you would not exist either.

A young couple eating noodles together at a street food stall
Being born Asian also has plenty of upsides, like increased capacity to work hard, more self-discipline, and a natural ability to work well in a team.

It is true that Asians have higher metabolic risks compared to other races, and any individual can possess genes that cause them to overeat and gain weight regardless of race or heritage.

Our destiny is a direct result of our choices, and with sufficient intention, we can even control our genes!

When you are navigating the challenges of weight management, unlocking your relationship with your genes may be a good first step. If you are interested, you can read my article on the 5 compelling reasons to consider a DNA test.

Lastly, I do encourage you to embrace a holistic approach to health, rooted in balanced nutrition, regular exercise, and mindfulness. If you can accomplish that, you can truly rewrite the narrative of your genetic legacy and pave the way for a healthier (and fitter) future!

Sources

  1. Ethnic differences in body fat distribution among Asian pre-pubertal children (2011)
  2. Genetic and environmental factors contributing to visceral adiposity in Asian populations (2020)
  3. Asian obesity paradox: implications for healthcare management approaches (2021)

Calorie absorption, fat metabolism and lean muscle are read in the Bio-Profile, and the five traits behind weight gain are pulled apart in 5 Ways Your Genes Make You Overeat.

Cedric Lee

Cedric Lee

Founder and CEO, ConnectingDNA

Cedric has spent over twenty years in healthcare, wellness and technology, and has taken his own DNA test with more consumer labs than he cares to admit. He writes the Living with Genes newsletter and founded ConnectingDNA to turn genetic reports into something a person can act on.

Connect on LinkedIn ↗

First published on Living with Genes, Issue 13. Rewritten and brought up to date for this site.

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