Thursday October 18, 2018

Obesity May Leads to Reduced Cognitive Function

People who are overweight do not perform as well on tests of memory and visuospatial ability compared to those with an average weight.

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Obesity, Asthma
Asthma may up obesity risk. Pixabay
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Being obese in older age may lead to poor brain health as higher waist-hip ratio was associated with reduced cognitive function, according to a study.

The association could be explained by an increased secretion of inflammatory markers by belly fat, which has been previously associated with a higher risk of impaired cognition.

Previous studies showed that people who are overweight do not perform as well on tests of memory and visuospatial ability compared to those with an average weight.

For the study, the researchers recruited more than 200 participants who were 60 years and older and used Facebook for at least a year.
High BMI reduces learning ability, Pixabay

“While we have known for some time that obesity is associated with negative health consequences, our study adds to emerging evidence suggesting that obesity and where we deposit our excess weight could influence our brain health. This has significant public health implications,” said Conal Cunningham from Trinity College Dublin in Ireland.

Also Read: Obesity Alone Does not Increase Death Risk: Study

For the study, published in the British Journal of Nutrition, the team analysed data from over 5,000 individuals.

These findings may have significant implications as the global prevalence of dementia is predicted to increase from 24.3 million in 2001 to 81.1 million by 2040.

Reducing obesity could offer a cost-effective public health strategy for the prevention of cognitive decline, the researchers noted. (IANS)

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Exposure to Certain Disinfectants Can Cause Obesity in Kids: Research

The use of eco-friendly products may be linked to healthier overall maternal lifestyles and eating habits.

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Disinfectants
How common household cleaners could make kids overweight. Flickr

Early life exposure to certain disinfectants used at home could be making children overweight by altering the composition of their gut bacteria, suggests new research.

Babies living in households that used eco-friendly cleaners had different microbiota and were less likely to be overweight as toddlers, showed the findings published in CMAJ (Canadian Medical Association Journal).

For the study, the researchers analysed the gut flora of 757 infants from the general population at age 3-4 months and weight at ages 1 and 3 years, looking at exposure to disinfectants, detergents and eco-friendly products used in the home.

Disinfectants
Mother’s Lifestyle Choices Linked to Obesity Risk in Adolescents. Pixabay

The researchers looked at data from the Canadian Healthy Infant Longitudinal Development (CHILD) birth cohort on microbes in infant fecal matter. They used World Health Organization growth charts for body mass index (BMI) scores.

Associations with altered gut flora in babies 3-4 months old were strongest for frequent use of household disinfectants such as multi-surface cleaners, which showed lower levels of Haemophilus and Clostridium bacteria but higher levels of Lachnospiraceae.

The researchers also observed an increase in Lachnospiraceae bacteria with more frequent cleaning with disinfectants.

They, however, did not find the same association with detergents or eco-friendly cleaners.

“We found that infants living in households with disinfectants being used at least weekly were twice as likely to have higher levels of the gut microbes Lachnospiraceae at age 3-4 months,” said Anita Kozyrskyj, Professor at the University of Alberta in Canada.

Disinfectants
The researchers looked at data from the Canadian Healthy Infant Longitudinal Development (CHILD) birth cohort on microbes in infant fecal matter. Flcikr

“When they were 3 years old, their body mass index was higher than children not exposed to heavy home use of disinfectants as an infant,” Kozyrskyj said.

“Those infants growing up in households with heavy use of eco cleaners had much lower levels of the gut microbes Enterobacteriaceae,” she said.

Also Read: Asthma Ups The Chance of Obesity: Study

Kozyrskyj suggests that the use of eco-friendly products may be linked to healthier overall maternal lifestyles and eating habits, contributing in turn to the healthier gut microbiomes and weight of their infants. (IANS)