CoWin App Explained By Dr. Rajesh Bhardwaj

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Are Air Purifiers Necessary?

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THE AIR WE BREATHE •Molecules in the air include primarily nitrogen and oxygen as well as water, carbon dioxide, ozone, and many other compounds in trace amounts - some of these are naturally occurring while  others the result of human activity. •In addition to gases, the atmosphere contains extras such as smoke, dust, acid droplets, and pollen. •The composition of the atmosphere changes constantly and depends on the season, weather, time of day etc. WHAT CAUSES  AIR POLLUTION ? Most of the air pollution results from the burning of fossil fuels, such as coal, oil, natural gas, and petrol/ diesel to produce electricity and power our vehicles.  Carbon dioxide (CO2) is a good indicator of how much fossil fuel is burned and how much of other pollutants are emitted as a result. AIR POLLUTANTS  are of three types •Gases •Particulate Matter Bacteria and Viruses  COMMON AIR POLLUTANTS  ARE •Carbon Monoxide •Ground Level Ozone •Lead •Nitrogen Dioxide •Particulate Ma...
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The Importance of the Asymptomatic Patient - Corona Virus

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There has been tremendous controversy recently about the "Asymptomatic Patient" - who are they and can they spread Corona virus infection? To understand the terminology in its context, let us look at three different but closely related situations -  1.  The Mildly Symptomatic Patient - This patient of confirmed Covid-19 has mild symptoms like fever, occasional cough or mild breathlessness. They gradually recover without any specialized treatment.  2.  The Pre-Symptomatic Patient -  These patients have been recently infected, have currently no symptoms, but will gradually develop them. They can transmit infection during this incubation period. This is usually about a week from contracting the infection, but could be up to two weeks. 3.  The Asymptomatic Patient  - This is a confirmed case of Covid-19 who never develops any symptom. What makes this disease pursue a relentless and fatal path in some patients and leaves many practically untouched is still ...
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ALLERGIC RHINITIS AND IMMUNOTHERAPY- SOME MYTHS

  MYTHS REGARDING ALLERGIC RHINITIS In Allergen immunotherapy specific, semi purified allergen extracts are introduced into the body , with a view to hyposensitize the patient's allergic reaction. So that when the sensitizing allergen is subsequently or concomitantly encountered under ‘natural exposure’ conditions the patient’s immune system does not respond and symptoms of allergic rhinitis do not form.   Myth Number 1 – Allergic Rhinitis is a mild disease In a Europe-wide survey, two-thirds of AR patients reported at least one symptom that is severe enough to interfere with sleep quality, cognitive function, work productivity, school performance, psychosocial well-being or overall quality of life. Poor sleep is a particular problem. Valovirta E et all Myth Number 2 – Allergic Rhinitis remains the same throughout life Allergies change over time – the first change we may notice is in adolescence when allergies may become less prominent. There is also the ‘Aller...
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