Thursday October 24, 2019

According to Research, No Exercise For 6 Years Can Trigger Heart Failure Risk

Too busy or lazy to exercise? Men and women take note. Living without physical activity for six years during their middle age could be at an increased risk of suffering heart failure, researchers have warned.

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heart attack
representational image. pixabay

Too busy or lazy to exercise? Men and women take note. Living without physical activity for six years during their middle age could be at an increased risk of suffering heart failure, researchers have warned.

The findings, described in the journal Circulation, suggest that consistently participating in the recommended 150 minutes of moderate to vigorous activity each week, such as brisk walking or biking, in middle age can reduce the heart failure risk by 31 per cent.

While it is known that people who are more physically active have lower risks of heart failure than those who are less active, but little is known about the impact of changes in exercise levels over time on heart failure risk.

Heart
representational image. pixabay

 

“Going from no exercise to recommended activity levels over six years in middle age may reduce heart failure risk by 23 per cent,” said Chiadi Ndumele, Assistant Professor at the Johns Hopkins University in Maryland, US.

For the study, the team included 11,351 participants, with an average age 60, monitored annually for an average of 19 years.

According to the American Heart Association, the “recommended” amount is at least 75 minutes per week of vigorous intensity or at least 150 minutes per week of moderate intensity exercise.

Heart failure risk decreased by about 12 per cent in the participants who increased their physical activity category from poor to intermediate or recommended, or from intermediate to recommended, compared with those with consistently poor or intermediate activity ratings.

Representational image.
Heart failure risk decreased by about 12 percent of the participants who increased their physical activity. Pixabay

Conversely, heart failure risk increased by 18 percent in the participants who reported decreased physical activity from visit one to visit three, compared with those with consistently recommended or intermediate activity levels.

Unlike the heart attack, in which heart muscle dies, heart failure is marked by a long-term, chronic inability of the heart to pump enough blood, or pump it hard enough, to bring needed oxygen to the body.

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The leading cause of hospitalizations in those over 65, the disorder’s risk factors include high blood pressure, high cholesterol, diabetes, smoking and a family history. (IANS)

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Study Says, Limiting Mealtimes Increases Motivation for Exercise

Maintaining a healthy eating routine, with regular mealtimes or fasting, could also encourage motivation for exercise in overweight people

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Exercise
The study suggested that a surge in levels of the appetite-promoting hormone - ghrelin, after a period of fasting prompted mice to initiate voluntary Exercise. PIxabay

Limiting access to food might increase levels of hormone – ghrelin, which might also increase your motivation to exercise, said a new research.

The study, published in the Journal of Endocrinology suggested that a surge in levels of the appetite-promoting hormone – ghrelin, after a period of fasting prompted mice to initiate voluntary exercise.

These novel findings indicate that better diet control, for example limiting food intake to mealtimes or fasting intermittently, could help overweight people maintain a more effective exercise routine, lose weight and avoid debilitating complications such as diabetes and heart disease.

“Our findings suggest that hunger, which promotes ghrelin production, may also be involved in increasing motivation for voluntary exercise when feeding is limited,” said author Yuji Tajiri from the Kurume University in Japan.

“Therefore, maintaining a healthy eating routine, with regular mealtimes or fasting, could also encourage motivation for exercise in overweight people,” Tajiri said.

Exercise
Findings suggest that hunger, which promotes ghrelin production, may also be involved in increasing motivation for voluntary Exercise when feeding is limited. Pixabay

Ghrelin, often referred to as the ‘hunger hormone’, stimulates appetite through actions on the brain reward circuitry that increases motivation to eat.

It has also been reported to be essential for endurance exercise by increasing metabolism to meet the energy demands of prolonged exercise.

Although previous studies have suggested a relationship between ghrelin and exercise, it was not known whether the hormone levels have a direct effect on motivation to exercise.

In this study, the research team investigated the relationship between exercise and the hormone levels in mice.

Food intake and wheel-running activity were compared in mice given free access to food with those fed only twice a day for a limited time.

Although both groups ate a similar amount of food, the restricted mice ran significantly more.

Exercise
Although previous studies have suggested a relationship between ghrelin and exercise, it was not known whether the hormone levels have a direct effect on motivation to Exercise. Pixabay

Mice genetically altered to have no ghrelin and on the restricted feeding diet, ran less than the mice which were given free access, however, this could be reversed by administering the hormone.

Furthermore, mice were given free access to food and given ghrelin also ran significantly more.

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These findings suggest that ghrelin might play an important role in the motivation for both feeding and exercise, in response to restricted eating plans. (IANS)