Eating walnuts may help ward of several diseases: experts

Agencies
October 31, 2017

New Delhi, Oct 31: Eating a diet rich in walnuts may help prevent several diseases prevalent in India such as cardiovascular disorders, cancer and diabetes, according to an international team of researchers.

Researchers and medical professionals from the field of Nutrition, Cardiovascular, Cognition, Alzheimer's and Diabetes today held a scientific meet here to discuss the state of health in India, dietary patterns, chronic health conditions and promotion of healthy lifestyles.

The day-long Scientific and Health Research Meeting hosted by the California Walnut Commission (CWC) discussed the role of walnuts in disease prevention and maintenance of healthy lifestyle in the country.

Several research findings have shown positive outcomes of walnuts in health issues such as cardiovascular disease, cancer, diseases of ageing and diabetes.

According to Dr Rekha Sharma, Former Chief Dietician, All India Institute of Medical Sciences (AIIMS), New Delhi, metabolic syndrome combined with physical inactivity and under nutrition co exists in India, as a double burden on health.

Obesity, hypertension, diabetes and coronary artery disease are like a rising inferno in India, particularly in urban areas and on the other side of the spectrum we have under nutrition, especially in children, she said.

Sharma quoted a Lancet study which found that India is the third most obese country in the world after US and China.

"Indian population should increase consumption of fruits and vegetables, legumes, whole grains and nuts in a daily diet," said Sharma.

"All nuts are rich source of monounsaturated fatty acids (MUFA) and walnuts in addition also contain high amounts of omega-3 fatty acid, making it heart healthy," she said.

Researchers said that the incidence of dementia in India has seen an increase of over 10 per cent from its 2010 estimates of 3.7 million to 4.1 million.

The present cost of care has also increased from 14,700 crore rupees to around 16,300 crores, they said.

"Walnuts in the diet may improve cognitive function in normal individuals, and reduce the risk or delay the onset or progression of mild cognitive impairment (MCI) and dementia in Alzheimer's disease (AD)," said Abha Chauhan, from New York State Institute for Basic Research in Developmental Disabilities (IBR) in the US.

The event saw the presence of several international researchers who talked about their area of study on walnuts.

"Walnuts are the only tree nut to contain a significant amount of the plant-based omega-3, alpha-linolenic acid, required by the human body," said Dr H K Chopra, who chaired the meeting.

"A handful of walnuts also offers four grammes of protein, two grammes of fibre, and is a good source of magnesium," said Chopra.

"With a variety of nutrients and a flavour profile that pairs well with an array of seasonal foods, they are an ideal ingredient any time of the year," he said.

The CWC has been actively highlighting walnuts to Indian consumers through marketing activities that promote walnuts of California origin, quality, taste and positive health benefits.

These health benefits have been demonstrated through over 180 research papers published since early 1990's when the commission actively began assessing the role of walnuts in diet and effect on chronic disease prevention.

"This Scientific and Health Research Meeting was an exceptional platform to discuss the state of health in India, dietary patterns, chronic health conditions and promotion of healthy lifestyles," said Michelle McNeil Connelly, CEO of the CWC.

"We hope that this meeting provides an opportunity to maintain a network of researchers and medical professionals who may contribute to walnut-specific health research in India," Connelly said.

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Agencies
May 10,2020

Washington D.C., May 9: Do the middle age feel much stressful now, and seems to have changed over time, if compared to the life in the 90s? Well, this recent study indicates that it might be true.

The study has signalled to the fact that life may become more stressful majorly for middle-aged people than it was in the 1990s. The researchers reached this analysis even before the novel coronavirus started sweeping the globe.

A team of researchers led by Penn State found that across all ages, there was a slight increase in daily stress in the 2010s compared to the 1990s. But when researchers restricted the sample to people between the ages of 45 and 64, there was a sharp increase in daily stress.

"On average, people reported about 2 percent more stressors in the 2010s compared to people in the past," said David M. Almeida, professor of human development and family studies at Penn State.

"That's around an additional week of stress a year. But what really surprised us is that people at mid-life reported a lot more stressors, about 19 percent more stress in 2010 than in 1990. And that translates to 64 more days of stress a year."

Almeida said the findings were part of a larger project aiming to discover whether health during the middle of Americans' lives has been changing over time.

"Certainly, when you talk to people, they seem to think that daily life is more hectic and less certain these days," Almeida said.

For the study, the researchers collected data from 1,499 adults in 1995 and 782 different adults in 2012.

Almeida said the goal was to study two cohorts of people who were the same age at the time the data was collected but born in different decades. All study participants were interviewed daily for eight consecutive days.

During each daily interview, the researchers asked the participants about their stressful experiences throughout the previous 24 hours.

They asked questions related to arguments with family or friends or feeling overwhelmed at home or work, so and so. The participants were also asked how severe their stress was and whether those stressors were likely to impact other areas of their lives.

"We were able to estimate not only how frequently people experienced stress, but also what those stressors mean to them," Almeida said.

"For example, did this stress affect their finances or their plans for the future. And by having these two cohorts of people, we were able to compare daily stress processes in 1990 with daily stress processes in 2010," Almeida added.

After analyzing the data, the researchers found that participants reported significantly more daily stress and lower well-being in the 2010s compared to the 1990s.

Additionally, participants reported a 27 percent increase in the belief that stress would affect their finances and a 17 percent increase in the belief that stress would affect their future plans.

Almeida said he was surprised not that people were more stressed now than in the 90s, but at the age group that was mainly affected.

"We thought that with economic uncertainty, life might be more stressful for younger adults. But we didn't see that. We saw more stress for people at mid-life," Almeida said.

"And maybe that's because they have children who are facing an uncertain job market while also responsible for their own parents. So it's this generational squeeze that's making stress more prevalent for people at mid-life," he concluded.

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Agencies
June 19,2020

While coughing, fever and difficulty in breathing are common symptoms of COVID-19, a new case study has found that pink eye is also a reason to be tested for the disease.

The study, published in the Canadian Journal of Ophthalmology, determined that conjunctivitis and keratoconjunctivitis can also be primary symptoms of COVID-19.

The researchers noted that in March, a 29-year-old woman arrived at the Royal Alexandra Hospital's Eye Institute of Alberta with a severe case of conjunctivitis and minimal respiratory symptoms.

After the patient had undergone several days of treatment with little improvement -- and after it had been determined that the woman had recently returned home from Asia -- a resident ordered a COVID-19 test.

The test came back positive, according to the researchers.

"What is interesting in this case, and perhaps very different to how it had been recognised at that specific time, was that the main presentation of the illness was not a respiratory symptom. It was the eye," said Carlos Solarte, an assistant professor at the University of Alberta in Canada.

"There was no fever and no cough, so we weren't led to suspect COVID-19 at the beginning. We didn't know it could present primarily with the eye and not with the lungs," Solarte said.

Academic studies at the outset of the pandemic identified conjunctivitis as a secondary symptoms in about 10 to 15 per cent of COVID-19 cases, he said.

Since then, scientists have gained greater knowledge of how the virus can transmit through and affect the body's mucous membrane system, of which the conjunctiva -- the clear, thin membrane that covers the front surface of the eye -- is an extension.

While the finding provides important new health information for the public, it also makes eye exams more complicated for ophthalmologists and staff, the researchers noted.

"The patient in this case eventually recovered well without any issues. But several of the residents and staff who were in close contact with the patient had to be under quarantine," said Solarte.

"Fortunately, none who were involved in her care also tested positive," he said.

Patients coming into an eye clinic with conjunctivitis and keratoconjunctivitis are now treated as potential cases of COVID-19 and extra precautions are taken by staff, according to the researchers.

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Agencies
February 23,2020

Los Angeles, Feb 23: According to researchers, if administered quickly, a common medication that reduces bleeding could be a treatment for bleeding stroke.

The Spot Sign and Tranexamic Acid on Preventing ICH Growth - Australasia Trial (STOP-AUST) was a multicenter, prospective, randomized, double-blind, placebo-controlled, phase 2 clinical trial using the antifibrinolytic agent tranexamic acid in people with intracerebral hemorrhage (ICH).

ICH is a severe form of acute stroke with few treatment options.

Tranexamic acid is currently used to treat or prevent excessive blood loss from trauma, surgery, tooth removal, nosebleeds and heavy menstruation. For this study, one hundred patients with active brain bleeding were given either intravenous tranexamic acid or placebo within 4.5 hours of symptom onset.

Researchers analyzed brain CT scans taken during the 24-hour period after treatment with tranexamic acid or placebo.

Researchers found a trend towards reduced hemorrhage expansion in the group treated with tranexamic acid, especially in those treated within 3 hours of the brain bleed. However, this trend was not statistically significant. The finding was consistent with previous research using the medication.

"Further trials using tranexamic acid are ongoing and focusing on ultra-early treatment - within 2 hours. 

This is where the greatest opportunity for intervention appears to be. Tranexamic acid is inexpensive, safe and widely available. Our results and others provide great impetus for further, focused research using this treatment," Nawaf Yassi said.

Larger trials focused on patient outcomes are required for this therapy to enter routine clinical practice.

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