Strong activation of anti-bacterial cells of immune system linked to severe Covid-19.

A type of the immune system’s T cells known to fight against bacterial infections is strongly activated in people with moderate to severe Covid-19, according to a study which provides a better understanding of how the body responds to the novel coronavirus infection.Researchers, including those from the Karolinska Institutet in Sweden, noted that this component of the immune system called MAIT cells make up about one to five percent of T cells in the blood of healthy people, and are primarily important...

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World Heart Day 2020: History, significance and theme.

World Heart Day is annually observed on September 29 around the globe in an effort to raise public awareness about cardiovascular diseases, their prevention and global impact. Cardiovascular diseases (CVDs) claim the lives of around 17.9 million people each year, as per data collected by the World Health Organisation (WHO), and it results in 31% of all global deaths. These diseases, which manifest primarily as heart attacks and strokes, are triggered by excessive use of tobacco, unhealthy diets,...

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This is why Covid-19 may be life-threatening for some patients.

When two brothers fell critically ill with Covid-19 around the same time in March, their doctors were baffled. Both were young -- 29 and 31 years old -- and healthy. Yet within days they couldn’t breathe on their own and, tragically, one of them died. Two weeks later, when a second pair of Covid-stricken brothers, both in their 20s, also appeared in the Netherlands, geneticists were called in to investigate. What they uncovered was a path leading from severe cases, genetic variations, and gender...

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Wearing that face shield without a mask is a bad idea. Here’s why.

By now most of us have accepted the fact that the covid-19 pandemic is here to stay. While some of us are still cooped up at home, barely stepping out, others are embracing the pandemic life as they dine out, shop at malls, and forgo the mask.If you are a member of the latter tribe and have been leaning towards face shields, abandoning your N95 masks, then here is a piece of news that might jolt you into rethinking that decision. Face shields, if a recent study is to be believed, let 100% of covid-19...

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Most people infected with novel coronavirus develop symptoms: study.

Most people who are infected by the SARS-CoV-2 virus, that causes Covid-19, are not asymptomatic throughout the course of infection, a review of studies carried early in the pandemic suggests.While some people who contract the novel coronavirus never experience any symptoms, there remains disagreement about what proportion of total infections these cases represent.The latest study, published in the journal PLOS Medicine, suggests that true asymptomatic cases of SARS-CoV-2 comprise a minority of infections.According...

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World Alzheimer’s Day 2020: Let’s talk about Dementia, here’s how to challenge the stigma around it.

Ever since 2012, September has been World Alzheimer’s Month. This year on September 21 which is World Alzheimer’s Day, the theme is ‘Let’s talk about dementia’ and an international campaign is being run to raise awareness and challenge the stigma that surrounds the disease. Since there is little or no understanding of Dementia, the stigmatisation and misinformation about the disease is a global problem. Hence, it is important to know the history and significance of the day and how you can provide...

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Baby’s heartbeat can reveal if the mother is dealing with anxiety or depression.

While mothers are advised to take less stress during pregnancy, a recent study has found that the babies of mothers dealing with anxiety or depression exhibit physiologically stronger signs of stress than babies of healthy mothers when given a standard stress test.These babies show a significantly increased heart rate, which researchers fear may lead to imprinted emotional stresses as the child grows up.The interaction of mother and infant, especially in the early months of life, plays a huge role...

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Herd immunity unviable, Covid-19 vaccine the only solution.

With coronavirus disease (Covid-19) cases crossing 30 million globally, the appeal of herd immunity as an end to the pandemic becomes increasingly persuasive. Yet, some countries, including India, have recently re-confirmed re-infection using genome sequencing to demonstrate that the second infection was caused by genetically distinct Sars-CoV-2 virus, which has made depending on “a nice big epidemic” – in the words of UK pandemic advisor Graham Medley – to end the public health emergency...

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‘Yoga in burqa’: Uttarakhand boxer girl fights all odds to teach yoga to women.

A 17-year-old boxer, Rehnuma Mikrani, is kicking all odds one punch at a time to teach yoga to about 40 women of her community in Haldwani town of Nainital district.Hailing from a humble family background, Rehnuma is the daughter of an autorickshaw driving father and a mother who works at a local Anganwadi centre. A state-level boxer, Rehnuma decided to teach yoga and other exercises to the women in her community about one and a half month ago during the lockdown.She began by teaching yoga to four...

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Coronavirus study to trial vaccine delivery through inhalers.

A small coronavirus clinical study has been launched in the UK this week to explore the effects of delivering vaccines directly to the body’s airways using an inhaler. Imperial College London researchers said they will assess the safety and effectiveness of two of the UK’s coronavirus vaccines in development when inhaled into the lungs.The team will compare COVID-19 vaccine candidates being developed by both Imperial College London and Oxford University, delivering the vaccines directly to the respiratory...

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