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A 30-minute walk at moderate intensity temporarily reduced blood pressure in women with rheumatoid arthritis, not only at rest but also under stress, according to a study. Rheumatoid arthritis is an autoimmune inflammatory disease affecting synovial joints and causing pain, swelling, and progressive physical incapacity. People with rheumatoid arthritis also tend to have high blood pressure, and previous research has shown that the risk of death from cardiovascular disease is 50 per cent [...]

Brasilia, Apr 26 (IANS): Illegal deforestation on indigenous lands in the Brazilian Amazon jumped 129 per cent between 2013 and 2021, a study released by the Sao Paulo Research Foundation revealed. This generated 96 million tonnes of carbon dioxide emissions, with 59 per cent occurring between 2019 and 2021, the study published in the journal "Scientific Reports" detailed. The study analysed 232 indigenous territories and found deforestation in the territories reached 1,708 [...]

New York, April 18 (IANS) Increased intake of refined rice and wheat as well as processed red meat, and low consumption of whole grains is causing a significant increase in the global cases of diabetes, according to a study. The study, published in the journal Nature Medicine, showed that poor diet contributed to over 14.1 million cases of Type-2 diabetes, representing over 70 per cent of new diagnoses globally. They found factors such as drinking too much fruit juice and not eating [...]

A team of researchers found that the coronavirus that causes Covid-19 can be detected in tears sampled by ocular swabs, a new study has shown. The researchers analysed samples from patients diagnosed with the disease by conventional methods and admitted to the Hospital, according to the study published in the Journal of Clinical Medicine. SARS-CoV-2 was detected in 18.2 per cent of the samples, suggesting this method could be an alternative to the conventional swabbing method, which is [...]

Some people infected with SARS-CoV-2 may be able to transmit the virus for longer than the recommended quarantine period, without necessarily manifesting any symptoms during the final stage of the infection, a study suggests. The research, published recently in the journal Frontiers in Medicine, involved 38 Brazilian patients who were followed on a weekly basis between April and November 2020. The researchers affiliated with the Pasteur-USP Scientific Platform, a partnership between [...]

A review of the scientific literature published by Brazilian researchers shows that pregnant women infected by the novel coronavirus run a higher risk of developing pre-eclampsia, a pregnancy complication characterized by persistent high blood pressure, usually in the second half of pregnancy or shortly after delivery. The disorder can cause serious harm to mother and baby. An article with the findings of the review is published in the journal Clinical Science. The authors analyzed a [...]

SAO PAULO, MAY 19 (IANS): People who have had dengue in the past are twice as likely to develop symptoms of Covid-19 if they are infected by coronavirus, finds a new study. The study, led by University of Sao Paulo in Brazil, detected the presence of antibodies against dengue virus and SARS-CoV-2 in blood samples from 1,285 inhabitants of Mancio Lima, a small town in the state of Acre, part of Brazil's Amazon region. "Our results show that the populations most exposed to dengue, [...]

BRASILIA, MARCH 3 (IANS): The coronavirus variant detected in the northern Brazilian state of Amazonas is twice as contagious and capable of re-infecting those who already had Covid-19, according to a study The Sao Paulo Research Foundation said on Tuesday that the scientific research group was coordinated by Ester Sabino, an expert on infectious diseases at the University of Sao Paulo, and Nuno Faria, a researcher at Oxford University, reports Xinhua news agency. The virus variant was [...]

Sao Paulo: A team of global researchers has discovered that a lipid -- produced in response to cold by brown adipose tissue in the human body -- helps reduce blood sugar. The discovery with the lipid known as 12-HEPE can pave the way for new treatments for diabetes, said the team from Brazil, the US and Germany. The group also observed that a drug used to treat urinary dysfunction increases the amount of 12-HEPE released into the bloodstream in human patients. White adipose tissue, one of [...]