Sunday December 15, 2019

Avoid Obesity in Later Life by Eating More Plant-Diet

If you want to stay away from obesity in later life, then start eating more plant-based foods as researchers say consumption of even mild vegetarian diet may reduce the risk of obesity in long term.

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"The consumption of organic food added even more environmental benefits for a plant-based diet," Seconda said. Wikimedia Commons

If you want to stay away from obesity in later life, then start eating more plant-based foods as researchers say consumption of even mild vegetarian diet may reduce the risk of obesity in long term.

A study showed that people with higher scores on the plant-based diet index had a lower body mass index (BMI) over the long term. It also reported that in order to guard against obesity, one does not need to eliminate meat-based food entirely from diet.

“Our study suggests that a more plant-based and less animal-based diet beyond strict adherence to vegan or vegetarian diets may be beneficial for preventing overweight/ obesity in middle-aged and elderly populations,” said Zhangling Chen from Erasmus University in Rotterdam, The Netherlands.

The study, published in the journal Frontiers in Nutrition, also found that organic food provides significant, additional climate benefits for plant-based diets. Wikimedia Commons
The study, published in the journal Frontiers in Nutrition, also found that organic food provides significant, additional climate benefits for plant-based diets. Wikimedia Commons

“Eating a plant-based diet to protect against obesity does not require a radical change in diet or a total elimination of meat or animal products. Instead, it can be achieved in various ways, such as moderate reduction of red meat consumption or eating a few more vegetables.

“This supports current recommendations to shift to diets rich in plant foods, with low in consumption of animal foods,” Chen explained.

The study, presented during European Congress on Obesity (ECO2018) in Austria, included data from 9,641 middle-aged and elderly adults of average age of 62 years.

vegetables and fruits.
A well stocked stand of vegetables and fruits. VOA

The results showed that people with higher plant-based diet scores had lower BMI in long term mainly due to lower body fat mass, after adjusting for the effects of time of repeated measurements, total energy intake, education, socioeconomic background and physical activity levels.

Also Read: Consumption of Raw Fruits And Veggies Boost Mental Health

These associations were stronger in middle-aged participants (45-65 years) than elderly (older than 65 years). (IANS)

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Obesity Can Lead to Brain Damage: Study

According to researchers, this pattern of damage correlated with some inflammatory markers, like leptin, a hormone made by fat cells that helps regulate energy and fat stores

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Brain
"Brain changes were found in obese adolescents related to regions responsible for control of appetite, emotions and cognitive functions," said study co-author Pamela Bertolazzi from the University of Sao Paulo in Brazil. Pixabay

While obesity is primarily associated with weight gain, a new study suggests it triggers inflammation in the nervous system that could damage important regions of the brain.

Developments in MRI, like diffusion tensor imaging (DTI), a technique that tracks the diffusion of water along the brain’s signal-carrying white matter tracts, have enabled researchers to study this damage directly.

“Brain changes were found in obese adolescents related to regions responsible for control of appetite, emotions and cognitive functions,” said study co-author Pamela Bertolazzi from the University of Sao Paulo in Brazil.

The World Health Organisation (WHO) data indicates the number of overweight or obese infants and young children increased from 32 million in 1990 to 41 million in 2016 globally.

For the study, researchers compared DTI results in 59 obese and 61 healthy adolescents, aged 12-16 years.

From DTI, the researchers derived a measure called fractional anisotropy (FA), which correlates with the condition of the brain’s white matter. A reduction in fractional anisotropy is indicative of increasing damage in the white matter.

Brain
While obesity is primarily associated with weight gain, a new study suggests it triggers inflammation in the nervous system that could damage important regions of the brain. Pixabay

The results showed reduction of FA values in the obese adolescents in regions located in the corpus callosum, a bundle of nerve fibre that connects the left and right hemispheres of the brain.

Decrease of fractional anisotropy was also found in the middle orbitofrontal gyrus, a brain region related to emotional control and the reward circuit. None of the brain regions in obese patients had increased fractional anisotropy.

According to researchers, this pattern of damage correlated with some inflammatory markers, like leptin, a hormone made by fat cells that helps regulate energy and fat stores.

In some obese people, the brain doesn’t respond to leptin, causing them to keep eating despite adequate or excessive fat stores. This condition, known as leptin resistance, makes the fat cells produce even more leptin.

Brain
The World Health Organisation (WHO) data indicates the number of overweight or obese infants and young children increased from 32 million in 1990 to 41 million in 2016 globally, having effect on Brain Health. Wikimedia Commons

Worsening condition of the white matter was also associated with levels of insulin, a hormone produced in the pancreas that helps regulate blood sugar levels. Obese people often suffer from insulin resistance.

“Our maps showed a positive correlation between brain changes and hormones, such as leptin and insulin,” Bertolazzi said.

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“In the future, we would like to repeat brain MRI in these adolescents after multi-professional treatment for weight loss to assess if the brain changes are reversible,” she said. (IANS)