• Published on: Apr 20, 2020
  • 3 minute read
  • By: Dr Rajan Choudhary

COVID-19 MYTHBUSTER

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MYTHBUSTER

There are many rumours, theories and suggestions that are being spread on Facebook, WhatsApp and social media. Most of these have no truth to them, do not work as treatment, or can be dangerous to your health. They use language that makes them sound scientific, and usually claim to come from a reputable institute, medical journal or doctor. Many people will automatically trust this, without questioning whether the legitimacy of the advice given. We have covered the dangers of these social media posts in our blog: https://www.secondmedic.com/blogs/the-dangers-of-social-media-blind-forwards secondmedic blog

Here we will go over some common myths about COVID-19 and Coronavirus that you will encounter. If you have come across any new myths or theories, or you want to check something you have read or been sent, email us at info@secondmedic.com

5G mobile networks DO NOT spread COVID-19

This is a myth that has been spreading recently, claiming that the new 5G towers being erected are spreading COVID-19. This is not true and there is no scientific evidence to support this.

Coronavirus spreads on small droplets that are coughed up by infected people. It is possible to prove this by looking at these droplets under an electron microscope. 5G networks use radio waves to operate, similar to 4G networks and other mobile network technologies. Radio waves cannot carry or transmit viral particles.

Another theory is that 5G radio waves cause damage to the human body. Radio waves have very little energy and pass through the human body without causing any harm. They have less energy than sunlight, and we are exposed to sunlight daily without harm.

People are claiming that 5G and coronavirus arrived at the same time, and so must be connected. Simply linking two things together does not mean one causes another. 5G technology does not exist in many countries with COVID-19, and yet some of these countries have been hit harder than well developed countries.

Destroying masts because of this conspiracy theory is harmful, as these masts carry mobile network signals that allow people to phone in emergencies, and for emergency responders to communicate with hospitals, fire stations and the police. Destroying these masts can cause serious harm to others.

Coronavirus WAS NOT developed in a laboratory as a weapon by China/Russia/US

Multiple reputable labs and universities across the world have analysed the coronavirus responsible for COVID-19, and have determined there is no evidence it was produced by humans. It is very similar to pre-existing coronaviruses that have caused the SARS and MERS pandemics. Conspiracy theories such as these are being used to shift the blame to others and gain political points in the news, rather than focus on what is important – preventing the spread of the virus and treating those that are ill.

Holding your breath for 10 seconds or more without coughing DOES NOT prove you are free of COVID-19

One popular test that has spread on WhatsApp states you can see whether you have COVID-19 with one simple test. If you can hold your breath for more than 10 seconds without coughing or feeling any discomfort, you do not have COVID-19 and are safe. It says that COVID-19 causes fibrosis in your lungs and this can stop you from holding your breath. There is no evidence supporting this theory.

Many people who have had COVID-19 can hold their breath for 10 seconds, and many people who are virus free are unable to hold their breath. The only way to determine if you have had the virus is through a nose or throat swab to check for the virus. If you have symptoms of COVID-19 (fever, dry cough, feeling tired, shortness of breath), you should assume you have the virus and isolate yourself.

Drinking alcohol DOES NOT protect you against COVID-19

Alcohol is a disinfectant. Washing your hands with alcohol based hand gels can destroy the bacteria. However drinking alcohol is not the same. When you drink alcohol it is processed by your body to release energy, and it loses its disinfectant properties. Drinking too much alcohol can cause alcohol poisoning and damage your liver.

Hundreds of people have died as a result of drinking methanol, a dangerous form of alcohol.

Spraying alcohol over your body will kill any virus that is on your skin. But you should only use alcohol based hand gels, as they have the right amount of alcohol that does not harm your skin. Alcohol based gels will not cure COVID, as the virus causing the symptoms is in your lungs, not your skin.

Drinking bleach DOES NOT protect you against COVID-19. IT CAN KILL YOU

Just like alcohol, disinfectants and bleach can kill the virus if sprayed onto a surface that has the virus. But drinking them is highly dangerous and can be lethal. If ingested bleach will destroy your stomach just like it destroys the virus, and it will continue to destroy your body depending on how much is ingested.

DO NOT DRINK BLEACH.

Similarly do not spray disinfectant or bleach on your skin. It is  highly irritating and can cause a lot of damage, especially if it gets in your eyes, nose or mouth.

Dr Rajan Choudhary, UK, Chief Product Officer, Second Medic Inc

www.secondmedic.com

Read Blog
Air pollution

Impact of Air Pollution on Human Health: Risks, Effects and Prevention

Air pollution has become one of the most serious public health challenges worldwide. In India, rapid urbanisation, vehicle emissions, industrial activity and seasonal factors contribute to high pollution levels, especially in metropolitan cities. Understanding the impact of air pollution on human health is essential because exposure to polluted air significantly increases the risk of chronic illness and premature death.

According to the World Health Organization, air pollution is responsible for millions of premature deaths globally each year. Studies published in The Lancet highlight India as one of the countries most affected by air quality-related health burdens.

 

What Is Air Pollution?

Air pollution occurs when harmful substances such as:

  • particulate matter (PM2.5 and PM10)

  • nitrogen dioxide

  • sulfur dioxide

  • ozone

  • carbon monoxide

accumulate in the atmosphere at unsafe levels.

Among these, PM2.5 particles are particularly dangerous because they are small enough to penetrate deep into the lungs and bloodstream.

 

Respiratory Health Effects

The most immediate and visible impact of air pollution is on the lungs.

Short-Term Effects

  • coughing

  • throat irritation

  • wheezing

  • shortness of breath

Long-Term Effects

  • chronic bronchitis

  • asthma worsening

  • reduced lung capacity

  • chronic obstructive pulmonary disease (COPD)

Children and elderly individuals are especially vulnerable.

 

Impact on Heart Health

Air pollution does not only affect the lungs. Fine particles enter the bloodstream and trigger inflammation.

Long-term exposure increases risk of:

  • hypertension

  • heart attack

  • stroke

  • atherosclerosis

ICMR reports show cardiovascular diseases remain a leading cause of mortality in India, with pollution being a significant contributing factor.

 

Impact on Immune System

Constant exposure to polluted air weakens the immune response.

This leads to:

  • frequent respiratory infections

  • slower recovery from illness

  • increased susceptibility to viral diseases

Pollution also increases systemic inflammation.

 

Effect on Children’s Health

Children are particularly vulnerable because:

  • their lungs are still developing

  • they breathe more air relative to body weight

  • they spend time outdoors

Long-term exposure may reduce lung growth and increase asthma risk.

 

Impact on Pregnant Women and Infants

Research published in Lancet indicates that high pollution exposure during pregnancy increases risk of:

  • low birth weight

  • premature birth

  • developmental complications

Protecting pregnant women from pollution exposure is critical.

 

Air Pollution and Cancer Risk

Prolonged exposure to air pollution increases the risk of lung cancer.

WHO classifies outdoor air pollution as a carcinogen.

 

Mental Health and Cognitive Impact

Emerging research suggests pollution may contribute to:

  • cognitive decline

  • mood disorders

  • reduced concentration

Clean air supports brain health.

 

Seasonal Pollution in India

During winter months, many cities experience severe smog due to:

  • crop burning

  • temperature inversion

  • increased emissions

Monitoring Air Quality Index (AQI) helps individuals take precautions.

 

Signs of Pollution-Related Health Impact

  • persistent cough

  • chest tightness

  • eye irritation

  • unusual fatigue

  • worsening asthma

Individuals experiencing these symptoms should consult healthcare providers.

 

Preventive Measures to Reduce Exposure

Monitor AQI

Avoid outdoor activities during high pollution days.

 

Use Protective Masks

N95 masks filter fine particles effectively.

 

Indoor Air Quality

Use air purifiers and keep windows closed during peak pollution.

 

Avoid High-Traffic Areas

Limit time near busy roads.

 

Maintain Healthy Lifestyle

Strong immunity helps reduce pollution-related health risks.

 

Role of Preventive Healthcare

Regular screening for:

  • lung function

  • blood pressure

  • heart health

helps detect early damage caused by pollution.

Urban populations should prioritise routine health checkups.

 

Long-Term Public Health Impact

Air pollution contributes significantly to:

  • healthcare burden

  • productivity loss

  • economic strain

Preventive awareness and environmental policies are essential.

 

Conclusion

The impact of air pollution on human health is profound and far-reaching. From respiratory disorders and heart disease to immune suppression and increased cancer risk, polluted air affects nearly every organ system. In India’s urban environment, proactive measures such as monitoring AQI, using protective masks and maintaining regular health screenings are crucial. Protecting oneself from air pollution is not just about comfort—it is a vital step in preserving long-term health and preventing chronic disease.

 

References

  • World Health Organization (WHO) – Air Pollution and Health Reports
  • Indian Council of Medical Research (ICMR) – Environmental Health Studies
  • National Family Health Survey (NFHS-5) – Respiratory and Cardiovascular Data
  • NITI Aayog – Environmental and Preventive Health Strategy Reports
  • Lancet – Global Burden of Disease and Air Pollution Research

See all

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