The worldwide prevalence of Obesity
The worldwide prevalence of Obesity has more than tripled between 1975 and 2022. Obesity is now recognised as one of the most important public health problems facing the world today.
In 2024, the NCD Risk Factor Collaboration ( NCD-RisC ) published findings that estimate that more than one billion people in the world are now living with obesity, nearly 880 million adults and 159 million children and adolescents aged 5-19 years.
The World Obesity Federation’s analysis of this data finds that nearly 3 billion people are living with either overweight or obesity. This evidence suggests that most of the world's population lives in countries where overweight and obesity are a bigger risk to health than underweight.
Childhood Obesity
Childhood obesity, in particular, has received noteworthy attention in recent years. According to UNICEF’s estimates, in the year 2000 around 30 million children under the age of 5 years were living with overweight or obesity rising to 37 million children in 2022.
The NCD-RisC estimates show the prevalence of overweight and obesity among children and adolescents aged 5-19 years to have risen from just 4% in 1975 to almost 20% in 2022.
Over the same time period ( 1975-2022 ), obesity rates in 5-19 year olds have increased 10-fold. In 1975, 0.7% of girls were living with obesity compared to 6.9% in 2022 while boys saw an increase from 0.9% to 9.3%. This equates to approximately 65 million girls and 94 million boys living with obesity in 2022 compared to 5 million girls and 6 million boys in 1975.
Childhood obesity is linked with a range of adverse physical and mental health outcomes, as well as some negative societal outcomes.
Adults Obesity
In adults, obesity rates nearly tripled among women (6.6% to 18.5%) and quadrupled in men (3% to 14.0%) between 1975 and 2022. This is the equivalent of approximately 504 million women and 374 million men living with obesity in 2022.
Combined with the 159 million children aged 5-19 years, this is a total of over one billion people affected by obesity alone in 2022.
Current projections for overweight and obesity suggest that these trends will continue unless coordinated and evidence-based action is taken – it is clear that the time for action is now.
Across the world, obesity rates have increased in the last two decades in nearly all age groups. By 2025 it is estimated that 2.7 billion adults and 268 million school-age children will be overweight or obese.
What causes obesity?
In its simplest sense, the body gains fat when it stores excess energy, and this excess energy arises from consuming more food energy than is burnt in physiological metabolism.
This imbalance in energy consumption and expenditure has several causes: in some cases it may be a genetic disorder but in most cases it arises from living in an environment that allows and encourages low levels of physical activity, extended sedentary behavior and plentiful consumption of food, especially food rich in energy (e.g. in the form of fats, oils, sugars and starches).
In such ‘obesogenic’ environments it is hard to resist weight gain as we are naturally programmed to minimize effort and store excess food as body-fat. Once we have gained weight, however, it can be difficult to lose it.
Scientists Finally Discover the Root Cause of Belly Fat and Unexplained Overweight and Obesity …
A recent study at the prestigious King's College London looked at 3,600 sets of twins, where one was lean and the other overweight.
The scientists were shocked to find that the lean twins benefitted from a rich and diverse gut microbiome packed full of 'lean bacteria' species that helped to.
The gut microbiome of the overweight twins was less diverse and dominated by a few species of "fat bacteria" that was shown to.
The Director of the Stanford University Microbiome Therapies Initiative called it, "the clearest evidence to date that gut bacteria can cause weight gain."
And researchers from Harvard, Yale, Johns Hopkins, and many more world-class scientific institutions now shows that repopulating your gut microbiome with the right kind of 'lean bacteria' species leads to a lean and healthy body !
New scientific studies have now identified the most powerful 'lean bacteria' species needed to do this so that anyone can become naturally lean.
Thus, Research has shown that the composition of our gut bacteria can significantly influence our weight and metabolic health.
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LeanBiome's unique and proprietary formula is the first in the world to combine nine clinically-researched 'lean bacteria' species with Greenselect Phytosome®, a next-generation and caffeine-free green tea extract formulated with patented, absorption-boosting Phytosome technology.
Together, this advanced ingredient blend helps to quickly reverse the bacterial imbalance in your gut microbiome – the newly-discovered root cause of belly fat and unexplained weight gain and obesity.
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