• Published on: Jun 10, 2021
  • 1 minute read
  • By: Dr Rachana Choudhary

How To Travel Safely During COVID Times.

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As more people are vaccinated for COVID-19, many are looking forward to being able to travel again. While many restrictions have been lifted, COVID-19 has not gone away. So how safe is it to travel?

Vaccination- So what is the most important step to ensuring safe travel Without a doubt, the most important thing people can do to protect themselves is to get vaccinated for COVID-19. I recommend that all eligible people get vaccinated for COVID-19. That is going to dramatically decrease your risk of getting infected with SARS-CoV-2, the virus that causes COVID-19, and also dramatically decrease the risk that even if you were infected, you could transmit it to others.

Masks – The most important thing is to know if fully vaccinated travelers still required to wear a mask on an airplane. Yes, because we still have a considerable number of people in who are not vaccinated yet. And on airplanes, people are in close proximity for a longer period of time.

Beyond getting vaccinated for COVID-19 and wearing a mask in airports, and on planes, buses, and trains it's also still important to practice good hand hygiene and keep your area clean with disinfectant wipes.

Monitor Symptoms & Quarantine - What steps should we take when you return from travel? When people return from travel, some may wonder whether they should be tested for COVID-19. The need to test depends on where they're traveling from. There's no need to be tested and there's need to quarantine. Most importantly we should continue to monitor for symptoms.

If at any time during or after travel people start to develop symptoms that are consistent with COVID-19, such as, fever, shortness of breath, or loss of taste or smell, they should be evaluated by a provider and likely be tested for COVID-19.

What should people who are traveling with children do?

For families looking to plan a summer getaway with children who are not yet eligible to be vaccinated for COVID-19, they can still travel safely. It just takes a little bit of thought and planning. If you have children who are unvaccinated, that is probably not the time to bring them to areas where lots of people are congregating because we know they're still at risk of getting infected with COVID-19 if other people in that area are not vaccinated for COVID-19 and can transmit the virus. Even if your children are fastidious masking, there's still a risk.

If you have unvaccinated children, I think it's still safe to fly. But of course, they will always be masked. If you go to places that are more outdoors in more open space, where you're not congregated with lots of other people, I think it's very safe. You just have to think through the steps of what's going to happen on the vacation and position things so that you're not putting your unvaccinated children at risk."

Whether traveling or just attending events with large amounts of people, the bottom line is precautions still need to be taken.

We still do have people getting infected with COVID-19. We still have people being hospitalized. And, unfortunately, we still have people who are dying, as well. So, we're not completely done with this. We still have to be careful.

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caffeine

Health Problems Linked to Excessive Caffeine Intake: When Too Much Becomes Harmful

Caffeine is one of the most widely consumed stimulants in the world. Found in coffee, tea, energy drinks and many soft drinks, it is often used to improve alertness and combat fatigue. While moderate caffeine consumption can be safe for most people, understanding the health problems linked to excessive caffeine intake is important, especially as daily consumption levels continue to rise in India.

Urban lifestyles, long working hours and increased reliance on energy drinks have made caffeine overconsumption a growing public health concern.

 

How Caffeine Works in the Body

Caffeine stimulates the central nervous system by blocking adenosine, a chemical responsible for promoting sleep and relaxation.

This results in:

  • increased alertness

  • faster heart rate

  • heightened mental activity

However, overstimulation places stress on multiple body systems.

 

What Is Considered Excessive Caffeine Intake?

According to WHO and global health guidelines:

  • up to 400 mg per day is considered safe for most healthy adults

Excessive intake occurs when:

  • multiple caffeinated beverages are consumed daily

  • energy drinks are used frequently

  • caffeine is consumed late in the day

Many people unknowingly exceed safe limits.

 

Nervous System Overstimulation

Excess caffeine overstimulates the brain.

Common symptoms include:

  • restlessness

  • nervousness

  • tremors

  • irritability

Chronic overstimulation can worsen stress and reduce emotional stability.

 

Anxiety and Panic Symptoms

Caffeine increases adrenaline release.

This can:

  • trigger anxiety attacks

  • worsen panic disorder

  • increase feelings of unease

ICMR mental health studies note caffeine as a common trigger for anxiety symptoms in sensitive individuals.

 

Sleep Disruption and Insomnia

Sleep is one of the first systems affected.

Excessive caffeine:

  • delays sleep onset

  • reduces deep sleep

  • shortens total sleep duration

Even caffeine consumed 6–8 hours before bedtime can impair sleep quality.

 

Impact on Heart Health

High caffeine intake affects the cardiovascular system.

Possible effects include:

  • increased heart rate

  • palpitations

  • irregular heart rhythm

People with underlying heart conditions are particularly vulnerable.

 

Blood Pressure Elevation

Caffeine temporarily raises blood pressure.

Chronic excessive intake may:

  • worsen hypertension

  • increase cardiovascular risk

NFHS-5 data highlights rising hypertension prevalence in India, making caffeine moderation important.

 

Digestive System Problems

Caffeine stimulates stomach acid production.

This can cause:

  • acidity

  • heartburn

  • gastritis

  • bloating

People with sensitive digestion may experience symptoms even at lower doses.

 

Dependency and Withdrawal Symptoms

Regular high intake leads to caffeine dependence.

Withdrawal symptoms include:

  • headaches

  • fatigue

  • irritability

  • difficulty concentrating

Dependence reinforces overconsumption cycles.

 

Effect on Bone Health

Excessive caffeine:

  • increases calcium loss through urine

  • may affect bone density over time

This is particularly concerning for older adults and women.

 

Dehydration and Electrolyte Imbalance

Caffeine has a mild diuretic effect.

High intake without adequate hydration may lead to:

  • dehydration

  • muscle cramps

  • fatigue

Hot climates increase this risk.

 

Impact on Blood Sugar and Metabolism

Caffeine affects glucose metabolism.

Excessive intake:

  • worsens insulin sensitivity

  • increases stress hormone release

This may increase diabetes risk when combined with poor lifestyle habits.

 

Energy Drinks and Hidden Risks

Energy drinks often contain:

  • very high caffeine levels

  • added sugar

  • stimulants

Lancet reports associate energy drink overuse with heart rhythm disturbances and metabolic stress.

 

High-Risk Groups

Certain individuals should be especially cautious:

  • people with anxiety disorders

  • those with heart disease

  • pregnant women

  • individuals with sleep disorders

Safe limits may be lower for these groups.

 

Signs You May Be Consuming Too Much Caffeine

Warning signs include:

  • frequent palpitations

  • chronic insomnia

  • persistent anxiety

  • digestive discomfort

  • reliance on caffeine to function

These signals indicate the need for reduction.

 

How to Reduce Caffeine Intake Safely

Effective strategies include:

  • gradual reduction rather than abrupt stopping

  • switching to decaffeinated options

  • avoiding caffeine after mid-afternoon

  • improving sleep and nutrition

Small steps prevent withdrawal symptoms.

 

Healthier Alternatives for Energy

Better ways to improve energy include:

  • adequate sleep

  • balanced meals

  • hydration

  • regular physical activity

These support sustained energy without overstimulation.

 

Role of Preventive Health Awareness

Preventive healthcare focuses on:

  • identifying lifestyle triggers

  • reducing dependency habits

NITI Aayog highlights lifestyle modification as key to non-communicable disease prevention.

 

Long-Term Health Consequences of Ignoring Excess Intake

Chronic caffeine overuse increases risk of:

  • sleep disorders

  • anxiety and mood issues

  • heart rhythm problems

  • digestive disorders

These conditions often develop gradually.

Conclusion

The health problems linked to excessive caffeine intake extend beyond temporary jitters or sleep loss. Chronic overconsumption strains the nervous system, disrupts sleep, affects heart rhythm, worsens anxiety and impacts digestion and metabolism. While caffeine can be enjoyed safely in moderation, recognising personal limits and maintaining balance is essential for long-term health. Listening to early warning signs and adopting healthier energy habits can prevent serious health consequences.

 

References

  • World Health Organization (WHO) – Caffeine Intake and Health Guidelines

  • Indian Council of Medical Research (ICMR) – Nutrition and Mental Health Studies

  • National Family Health Survey (NFHS-5) – Hypertension and Lifestyle Risk Data

  • Lancet – Energy Drinks, Caffeine and Cardiovascular Effects

  • NITI Aayog – Preventive Health and Lifestyle Modification Reports

  • Statista – Caffeine Consumption Trends in India

See all

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