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Even less physically fit people can help themselves to prevent risk of Heart related Diseases: Study

150 minutes per week of moderate exercise or 75 minutes of vigorous exercise is the easiest way to achieve normal physical fitness

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Representational image. Pixabay

Ottawa, October 23, 2016: Even if you are up to 20 per cent less fit than your population average, it is sufficient to prevent risk factors like diabetes, hypertension, obesity that affect people with heart disease, finds a study.

Physical inactivity along with risk factors like depression, diabetes, dyslipidemia, hypertension, obesity, excess weight, and smoking may lead to heart disease, which is one of the leading causes of death in the world, representing 31 per cent of global mortality, the study says.

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To measure the impact of physical fitness on heart disease risk factors, the researchers selected 205 men and 44 women with heart disease, including coronary artery disease, stroke, congestive heart failure, and heart valve disease, and had them undergo a cycle ergometer (stationary bike) stress test to determine their fitness level.

The results showed that normal physical fitness, even up to 20 per cent below the population average, is sufficient to have a preventive effect on five of the eight risk factors affecting people with cardiovascular disease–abdominal circumference, diabetes, hypertension, obesity, and excess weight.

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“It is common to meet people entering a cardiac rehab centre who are totally out of shape and whose exercise is irregular or non-existent, which has a harmful effect on general and cardiovascular health,” said Daniel Curnier, a professor at the University of Montreal, Canada, said in a statement.

The easiest way to achieve normal physical fitness is to follow the recommendations of the World Health Organization — 150 minutes per week of moderate exercise or 75 minutes of vigorous exercise, the study suggested.

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The results have also demonstrated the importance of a good fitness level, before and after a heart attack, to produce the preventive effect on depression.

The study sheds new light on the overall role of physical fitness in the development of cardiovascular risk factors in patients with cardiovascular disease. (IANS)

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    Less physically fit.. really?

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Study Associates Air Pollution With Heart Attack

Research says that air pollution in India causes cardiovascular diseases

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People in India are also at a risk of developing cardiovascular diseases due to the air pollution. Pixabay

Researchers conducting a study in a periurban area in southern India have found that air pollution in the country is associated with higher risk of cardiovascular diseases (CVD).

The study shows that people most exposed to fine particles have a higher CIMT index (carotid intima-media thickness) — a marker of atherosclerosis — which means they are at higher risk of developing cardiovascular diseases such as stroke or heart attack.

“Our findings highlight the need to perform more studies on air pollution in low- and middle-income countries, since the conclusions may differ considerably from studies in high income countries due to differences in population characteristics and air pollution levels and sources,” said researcher Cathryn Tonne from the Barcelona Institute for Global Health (ISGlobal). It was published in the journal International Journal of Epidemiology.

Previous studies indicate that inflammation and atherosclerosis are most likely responsible for the association between long-term exposure to air pollution and cardiovascular disease and mortality.

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The research team picked India, a lower middle income country with high levels of air pollution. Pixabay

For the findings, the research team picked India, a lower middle income country with high levels of air pollution.

The study was performed with 3,372 participants from a periurban region of Hyderabad, Telangana, in southern India.

The research team measured CIMT and estimated exposure to air pollution using an algorithm called land use regression (LUR) frequently used to predict the amount of fine particles (suspended particles with a diameter under 2.5 µm) in high-income countries.

The participants also provided information on the type of cooking fuel they used.

The results indicate that high annual exposure to ambient fine particles was associated with a higher CIMT, particularly in men, participants above 40 years of age, or those with cardiometabolic risk factors.

Sixty per cent of participants used biomass cooking fuel.

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The country is affected by high levels of air pollution, both ambient and indoors. Pixabay

“people using biomass fuel for cooking had a higher CIMT, particularly women who cooked in unventilated spaces.” In addition, “women had a higher CIMT than men, which could be due to the fact that they spend more time in the kitchen, breathing air polluted by biomass fuel,” study first author Otavio Ranzani, explained.

According to the study, annual average exposure to PM2.5 was 32,7 µg/m3, far above the maximum levels recommended by the WHO (10 µg/m3).

Also Read- Study Reveals That Plants and Trees are Effective Options to Curb Air Pollution

“This study is relevant for countries which, like India, are experiencing a rapid epidemiological transition and a sharp increase in the prevalence of hypertension, diabetes and obesity,” Tonne said.

“In addition, the country is affected by high levels of air pollution, both ambient and indoors,” Tonne added. (IANS)