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Health risks of obesity: It is the biggest cause of heart diseases, diabetes and disrupted sleep patterns

Times today increasingly oscillate between desks, screens and supermarkets, which has become a creeping health concern. Obesity and the prevalence of a high BMI may alter the very fabric of community health.
December 30, 2025 / 18:55 IST
Overweight and obesity have become a major concern today. (Picture Credit: Pexels)
Snapshot AI
  • Three out of four adults are overweight; one in five children faces obesity.
  • Obesity raises risk of heart disease, diabetes, and joint problems.
  • Lifestyle, environment, and genetics all contribute to weight issues.

Many people today are dealing with weight issues. Overweight and obesity have become a major concern today. It has been found that three out of four adults carry more weight than what’s considered healthy for their height, and one in five children and teenagers is living with obesity, a fact that reads like a mirror held up to societies far beyond American borders.

Doctors often reach first for a measure known as the body mass index (BMI), a simple calculation based on height and weight, to screen for overweight and obesity. But anyone who has stood awkwardly at the clinic, eyes fixed on a digital readout, knows that a number tells only part of the story. There’s more to health than digits on a chart.

The journey to understanding overweight and obesity involves more than metrics, its behaviour and biology intertwined. It involves what we eat, how much we move, how well we sleep, and sometimes even the medicines we take or the genes we inherit.

Also read: Are the eggs you eat for breakfast safe? Doctor says beware of this one substance

How overweight and obesity affect everyday life

Body and heart under strain

Extra weight places stress on the heart and blood vessels, increasing the risk of conditions like heart disease and high blood pressure.

Risk of diabetes and more

As weight increases, so does the likelihood of developing type 2 diabetes, breathing troubles or even certain cancers.

Metabolism and medicines

Some health conditions and prescribed medicines can disrupt how the body stores and uses energy, nudging weight upwards.

Sleep and activity patterns matter

A lack of good-quality sleep or physical activity tips the energy balance toward excess weight — a subtle shift with long-term impact.

Environment shapes choices

From neighbourhood design and food access to work and leisure lifestyles, the world around us plays a role in weight trends.

Also read: Doctor says these 3 medicines can save a heart attack patient

Emotional health isn’t immune

Being overweight can affect self-esteem and contribute to stress or depression, especially in young people.

FAQs on impact of obesity on overall health:

Q1. What is obesity?

Obesity is a medical condition characterised by excessive body fat that increases the risk of several health problems.

Q2. How does obesity affect overall health?

Obesity puts extra strain on multiple body systems, increasing the risk of chronic diseases and reducing quality of life.

Q3. Can obesity increase the risk of heart disease?

Yes. Obesity raises blood pressure, cholesterol levels and inflammation, all of which increase the risk of heart disease and stroke.

Q4. How is obesity linked to diabetes?

Excess body fat can cause insulin resistance, making it harder for the body to regulate blood sugar levels and leading to type 2 diabetes.

Q5. Does obesity affect joint and bone health?

Yes. Extra weight puts pressure on joints, increasing the risk of osteoarthritis and chronic joint pain.

Disclaimer: This article, including health and fitness advice, only provides generic information. Don’t treat it as a substitute for qualified medical opinion. Always consult a specialist for specific health diagnosis.

Rajeshwaari Kalla is a freelance health and wellness writer
first published: Dec 30, 2025 04:49 pm

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