Friday April 27, 2018

Omega-3 levels may better predict mortality risk than cholesterol

"We all know that the serum cholesterol level is a major risk factor for coronary heart disease (CHD), and since the latter is a major cause of death, it would be reasonable to expect that a high cholesterol level would portend higher risk for premature death", said a researcher

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Omega-3 acids can indicate risk of cardiovascular diseases. Pixabay
Omega-3 acids can indicate risk of cardiovascular diseases. Pixabay
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  • Presence of Omega-3 can help in detecting cardiovascular diseases
  • More cholesterol means more risk of disease
  • It is important for one to keep their cholesterol in check

Measuring the levels of Omega-3 fatty acids present in the blood may indicate the risk of developing cardiovascular diseases and mortality more profoundly than serum cholesterol, researchers have claimed. The serum cholesterol level is the total amount of cholesterol present in the blood.

Fish contains Omega-3 fatty acids. Pixabay

A higher “Omega-3 Index” a combination of the EPA and DHA (two important types of Omega-3) content of red blood cell membranes is associated with a 33 per cent reduced risk of death due to total cardiovascular disease (CVD) events, total coronary heart disease events, and total strokes, the study showed.

“We all know that the serum cholesterol level is a major risk factor for coronary heart disease (CHD), and since the latter is a major cause of death, it would be reasonable to expect that a high cholesterol level would portend higher risk for premature death,” said lead author William Harris, researcher at Britain’s University of Nottingham.

Also Read: Omega-3s from fish more effective in cancer prevention

For the study, published in the Journal of Clinical Lipidology, the team compared the total serum cholesterol and Omega-3 fatty acids, two “risk factors” for heart disease, in 2,500 individuals aged 60 years, who were free of known cardiovascular disease (CVD) at baseline.

benefits of donating blood
It is important to keep one’s biostat levels in check. Pixabay

Researchers primarily focussed on total mortality (death from any cause) as an end-point, but also tracked death from CVD, cancer and other causes. In addition, they reported the associations between Omega-3 Index levels and a risk for any CVD event fatal or not whether a heart attack or stroke.The results showed that the category most strongly associated with the Omega-3 Index was non-cardiovascular disease, non-cancer deaths from all other causes.

“When baseline serum cholesterol levels were substituted for the Omega-3 Index in the same multi-variable models, the former was not significantly associated with any of the tracked outcomes whereas the latter was related to four of the five outcomes assessed,” Harris said. IANS

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High carbohydrate intake may increase cancer recurrence risk

Five-year survival rates among these patients continue to be low, in part because these cancers are often detected in the later stages

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tumors
Can sugar contribute to growth of cancer in your body? Pixabay

Consuming high amounts of carbohydrates and sugar prior to treatment for head and neck cancer may increase the patients’ risks of cancer recurrence and mortality, a new study reports.

Patients who consumed the most total carbohydrates and sugars — in the form of sucrose, fructose, lactose and maltose — in the year preceding the cancer treatment were at greater risk of mortality from any cause during the follow-up period. Out of the 400 cancer patients in the study, published in the International Journal of Cancer, more than 17 per cent experienced recurrence of their cancer, and 42 patients died from it.

protein
Cancer can be caused by excessive intake of sugar and carbohydrates too. Pixabay

Associations among carbohydrate intake and patient outcomes differed by cancer type and stage, said lead author Anna E. Arthur, professor at the University of Illinois at Urbana-Champaign.

However, eating moderate amounts of fats and starchy foods such as whole grains, potatoes and legumes after treatment could have protective benefits, reducing the patients’ risks of disease recurrence and death, he added.

What We Know About Cancer Risk and Coffee

“Our results, along with the findings of other studies, suggest that diet composition can affect cancer outcomes,” said co-author Amy M. Goss, professor at the University of Alabama.

Higher mortality rates were found among people with oral cavity cancer who consumed the greatest amounts of total carbohydrates, total sugars and simple carbohydrates, but the researchers found no such associations among people who had oropharyngeal cancers.

Chronic diseases are not yet included in cancer prevention schemes.
Cancer can be caused due to too much sugar.

“Although in this study we found that higher total carbohydrate and total sugar were associated with higher mortality in head and neck cancer patients, because of the study design we can’t say that there’s a definitive cause-effect relationship,” Arthur said.

Five-year survival rates among these patients continue to be low, in part because these cancers are often detected in the later stages, putting patients at high risk of recurrence, the researchers said. IANS

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