Obesity

Overweight and obesity are defined by the WHO as abnormal or excessive fat accumulation that presents a risk to an individuals health.

Overweight and obesity are major risk factors for a number of chronic diseases, including diabetes, cardiovascular diseases and cancer and while it was once an issue only in high income countries, overweight and obesity has now dramatically risen in low- and middle-income countries.Such countries are now facing a "double burden" of disease, for while they continue to deal with the problems of infectious disease and under-nutrition, they are also experiencing a rapid upsurge in chronic disease risk factors such as obesity and overweight, particularly in urban settings.

What is Obesity?

Obesity and overweight have in the last decade become a global problem - according to the World Health Organization (WHO) back in 2005 approximately 1.6 billion adults over the of age 15+ were overweight, at least 400 million adults were obese and at least 20 million children under the age of 5 years were overweight.

Obesity and Diabetes

What does Sleeve Gastrectomy Involve?

Dieting for Obese Children

Why is Visceral Fat Dangerous?

Causes of Obesity and Overweight

Obesity and Metabolic Syndrome

Obesity in Adults

Obesity and Blood Pressure

Obesity, What Can be Done?

Obesity and Genetics

Obesity and Fractures

See more featured articles »

Obesity and Skin Problems

Obesity and Autism

Obesity and Exercise

Obesity and Anesthesia

Obesity and Sleep

Obesity and Stress

What is Obesity Paradox?

Obesity and Arthritis

Obesity in Pregnancy

Obesity and Hormones

Obesity and Heart Disease

Obesity and Periodontitis

Obesity in Children

Obesity Epidemiology

Obesity and Respiratory Disorders

Obesity and Infertility

Obesity and Cancer

Abdominal Obesity and the Metabolic Syndrome

Obesity and Depression

Obesity Management

What is Body Mass Index (BMI)?

Fat Mass and Obesity-Associated Gene (FTO)

Obesity and Sexual Health

Obesity and Fast Food

Latest Obesity News and Research

Early-life PFAS exposure may hinder adolescent bone development

Early-life exposure to per- and polyfluoroalkyl substances (PFAS) may influence how children's bones develop during adolescence, according to new research published in the Journal of the Endocrine Society.

17 Mar 2026

Activating hypoxia signaling improves metabolism and bone health

Obesity is widely known for increasing the risk of diabetes and cardiovascular disease, but its damaging effects on the skeleton are often overlooked. Excess body fat can disrupt bone metabolism, weaken bone quality, and impair fracture repair.

17 Mar 2026

Ultra-processed food consumption associated with increased risk for heart disease

People who consumed over nine servings of ultra-processed foods per day on average were 67% more likely to suffer a major cardiac event than people consuming about one serving of such foods per day, in a study being presented at the American College of Cardiology's Annual Scientific Session (ACC.26).

17 Mar 2026

Expert consensus validates UDFF for noninvasive fatty liver assessment

As the global burden of obesity, type 2 diabetes, and metabolic syndrome continues to rise, fatty liver disease has become one of the most prevalent chronic liver conditions worldwide. Its progressive forms, including metabolic dysfunction‐associated steatohepatitis (MASH), cirrhosis, and hepatocellular carcinoma, now represent a major public health challenge.

17 Mar 2026

Patients who stop GLP-1 drugs often restart or try alternatives

The study highlights that after stopping GLP-1 medications, many patients resume treatment or try alternatives, influencing weight management strategies.

17 Mar 2026

Brain breathing mechanism linked to persistent high blood pressure

A brain mechanism may explain why approximately 40% of people with hypertension continue to have high blood pressure despite taking medication. The discovery reveals potential targets for new treatments.

16 Mar 2026

Global indicators identified to monitor health before pregnancy worldwide

The key health and social indicators needed for a new global system to monitor people's health before pregnancy have been identified for the first time by researchers at University College London and the University of Southampton.

16 Mar 2026

New polygenic risk scores improve prediction of metabolic disease outcomes

Type 2 diabetes (T2D) and obesity are metabolic conditions with many causes, including overlapping and distinct genetic features.

16 Mar 2026

Skipping breakfast may raise metabolic syndrome risk

The link between skipping breakfast and metabolic syndrome highlights the need for dietary strategies to improve cardiometabolic health in at-risk populations.

16 Mar 2026

Why do some people respond better to GLP-1 drugs? Gut microbiome may hold clues

A review in the Canadian Journal of Physiology and Pharmacology examines emerging evidence linking glucagon-like peptide-1 receptor agonists (GLP-1 RAs), the gut microbiome, and obesity treatment outcomes. The authors conclude that microbiome changes seen during therapy are most likely driven by diet, behavior, and weight loss, although microbial profiling may eventually help predict patient responses.

15 Mar 2026

FDA-approved drug fedratinib enhances communication between cellular organelles

Cells behave like cities and organelles carry out infrastructural roles: Mitochondria are powerhouses, the endoplasmic reticulum serves as a transport hub and lysosomes help with waste disposal.

13 Mar 2026

Updated guideline emphasizes earlier treatment for high cholesterol

The American College of Cardiology (ACC), the American Heart Association and nine other leading medical associations, today issued an updated guideline for the management of dyslipidemia-abnormal levels of one or more types of lipids or lipoproteins in the blood, including cholesterol and triglycerides.

13 Mar 2026

BSO mimics anti-obesity effects without causing bone loss in mice

A new research paper was published in Volume 18 of Aging-US on March 2, 2026, titled "D, L-Buthionine-(S, R)-sulfoximine recapitulates the anti-obesity effects of sulfur amino acid restriction without the associated deleterious effects on bone in male mice."

13 Mar 2026