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Business News/ Mint-lounge / Features/  Fat but fit lose out to slim but lazy
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Fat but fit lose out to slim but lazy

Forgetting helps people apply new experiences and skills to new situations and people with high anxiety levels are more likely to face dementiastudies and research tips for a healthier you

Obese people, even if they exercise regularly, are more likely to die early compared to lazy but slim people. Photo: iStockphotoPremium
Obese people, even if they exercise regularly, are more likely to die early compared to lazy but slim people. Photo: iStockphoto

Fat but fit more likely to die early than slim but lazy people

Obese people, even if they exercise regularly, are more likely to die early compared to lazy but slim people, a Swedish research suggests. Researchers from Umea University tracked 1.3 million men for 30 years and found that obese people, despite exercising regularly, were 30% more likely to die prematurely, while unfit individuals with normal weight lived longer. It challenged the existing myth that exercising and physically active lifestyle can compensate for obesity. “These results suggest low body mass index early in life is more important than high physical fitness, with regard to reducing the risk of early death," said lead researcher Peter Nordstrom. The study was published in the International Journal of Epidemiology.

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Nasal spray can help control blood sugar levels

Nasal spray with a hormone called Glucagen can improve blood sugar levels and make rescue care easier for diabetes patients who feel unconscious due to low blood sugar, a study suggests. People with diabetes often end up taking too much insulin, which causes their blood sugar levels to drop drastically. Researchers recruited 75 men and women with Type 1 diabetes and made them undergo induced hypoglycaemia (low blood sugar) twice, and then received treatment once using the injection and once with the nasal spray. They found the nasal spray was effective 99% of the time. When injected directly into the body, it was 100% effective. The study was published in the Journal Diabetes Care.

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Forgetting is a key part of learning

Inability to hold on to new facts and memories is part of the brain’s learning process and is nothing to worry about, shows study. Researchers from University of Glasgow’s Institute of Neuroscience and Psychology have found that the inability to remember new things is essential to the brain’s ability to transfer experiences and skills to new situations. In comparison, memories that were stable, or complete, prevented knowledge transfer. People who volunteered for the study took one memory task at 9am followed quickly by another. They rested for 12 hours and were retested at 9pm on the initial memory task. The study found that learning transferred from actions to words and an unstable memory allows learning to be applied flexibly. The study was published in the journal Current Biology.

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Highly anxious people more likely to develop dementia

People with high anxiety levels are 48% more likely to develop dementia compared to those with no anxiety, claims research. Researchers examined data on 1,082 twins collected under the Swedish Adoption Twin Study of Aging. The participants completed in-person tests every three years, answered several questionnaires and were screened for dementia regularly for the three-decade-long study. They compared those who reported high anxiety with those who reported lower anxiety levels and found the former were about 1.5 times more likely to develop dementia. The study was published in Alzheimer’s & Dementia: The Journal of the Alzheimer’s Association.

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Compiled by Abhijit Ahaskar

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Published: 21 Dec 2015, 02:59 PM IST
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