Wednesday September 18, 2019

Exercise May help to Reduce Stroke Risk in Menopausal Women

For the study, published in the Journal of Clinical Endocrinology and Metabolism, researchers examined 3,003 midlife women undergoing the transition to menopause

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Exercise
Exercise may cut the risk of stroke in menopausal women. Pixabay

Mid-aged women transitioning to menopause may be able to lower their risk of developing stroke, heart disease and Type-2 diabetes if they exercise more or eat a low calorie diet, suggests a research.

The study showed that physically active women were less likely to get incidents of metabolic syndrome than inactive women.

Metabolic syndrome describes a cluster of risk factors that increase the chances of developing heart disease, stroke, and diabetes. Genetic factors, excess body fat, and lack of exercise can add to its development.

Patients with metabolic syndrome are diagnosed when they have three or more of these risk factors — large amount of abdominal body fat, low (“good”) cholesterol, high levels of fat in the blood, high blood pressure, and high blood glucose.

Exercise is crucial for everyone. Pixabay

“Previous studies have largely focused on cardiovascular disease and Type-2 diabetes in postmenopausal women. This study is unique because it focuses on an earlier stage in women’s lives, the menopausal transition in midlife, to potentially prevent such diseases from occurring,” said Jennifer S. Lee, Associate Professor at the Stanford Health Care in the US.

For the study, published in the Journal of Clinical Endocrinology and Metabolism, researchers examined 3,003 midlife women undergoing the transition to menopause.

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They identified patterns of cardiometabolic risk and found central obesity to be the most common factor for causing metabolic syndrome.

“Discovering which modifiable factors like physical activity and a lower calorie diet are more common in midlife women who recover from metabolic syndrome, in this study, could better inform what preventive strategies to consider in women earlier in their lives,” Lee noted. (IANS)

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Blood Pressure-Lowering Effect of Exercise Significantly Reduces When People Rinse their Mouths with Mouthwash

For the study, published in the journal Free Radical Biology and Medicine, 23 healthy adults were asked to run on a treadmill

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Mouthwash, Blood Pressure, Exercise
Scientists already know that blood vessels open up during exercise, as the production of nitric oxide increases the diameter of the blood vessels (known as vasodilation), increasing blood flow circulation to active muscles. Pixabay

Researchers have found that the blood pressure-lowering effect of exercise is significantly reduced when people rinse their mouths with antibacterial mouthwash, rather than water – showing the importance of oral bacteria in cardiovascular health.

“Scientists already know that blood vessels open up during exercise, as the production of nitric oxide increases the diameter of the blood vessels (known as vasodilation), increasing blood flow circulation to active muscles,” said study lead author Raul Bescos, Professor at the University of Plymouth.

For the study, published in the journal Free Radical Biology and Medicine, 23 healthy adults were asked to run on a treadmill for a total of 30 minutes on two separate occasions, after which they were monitored for two hours.

On each occasion at one, 30, 60 and 90 minutes after exercise they were asked to rinse their mouths with a liquid – either antibacterial mouthwash (0.2 per cent chlorhexidine) or a placebo of mint-flavoured water.

Mouthwash, Blood Pressure, Exercise
Researchers have found that the blood pressure-lowering effect of exercise is significantly reduced when people rinse their mouths with antibacterial mouthwash, rather than water – showing the importance of oral bacteria in cardiovascular health. Pixabay

Their blood pressure was measured and saliva and blood samples were taken before exercise and at 120 minutes after exercise.

The study found that when participants rinsed with the placebo, the average reduction in systolic blood pressure was -5.2 mmHg at one hour after exercise.

However when participants rinsed with the antibacterial mouthwash, the average systolic blood pressure was -2.0 mmHg at the same time point.

Systolic blood pressure refers to the highest blood pressure level when the heart is squeezing and pushing the blood round the body.

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The results show that the blood pressure-lowering effect of exercise was diminished by more than 60 per cent over the first hour of recovery and totally abolished two hours after exercise when participants were given the antibacterial mouthwash.

“These findings show that nitrite synthesis by oral bacteria is hugely important in kick-starting how our bodies react to exercise over the first period of recovery, promoting lower blood pressure and greater muscle oxygenation,” said study co-author Craig Cutler from the University of Plymouth.

“In effect, it’s like oral bacteria are the ‘key’ to opening up the blood vessels. If they are removed, nitrite can’t be produced and the vessels remain in their current state,” Cutler said.

“Existing studies show that, exercise aside, antibacterial mouthwash can actually raise blood pressure under resting conditions, so this study followed up and showed the mouthwash impact on the effects of exercise,” Cutler added. (IANS)