• Published on: Jul 29, 2021
  • 3 minute read
  • By: Secondmedic Expert

Your Easy Guide To Thyroid Health: Signs, Tests, And What To Do

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Thyroid problems are quite common but can be confusing. They can affect how you feel overall. This easy-to-follow guide is here to help you understand thyroid issues better. We'll talk about the signs, tests, and how to treat them. By making things simple and easy to understand, we want to give you the knowledge to take control of your thyroid health.

Checking Your Thyroid:

When doctors want to know about your thyroid, they do a special health check called a blood test. This test helps them see if your thyroid hormones, called T3 and T4, are normal. They also check another thing called thyroid-stimulating hormone (TSH). If your TSH levels are high, it might mean that your T3 and T4 are not being made enough.

Sometimes, doctors only need to look at TSH levels to understand what's going on with your thyroid. But if there's something unusual with T3 or T4, they might need to check those too.

This blood test is like a detective tool. It not only finds out if your thyroid is working right but also helps doctors rule out other health problems. If your thyroid isn't making enough T3 or T4, it's called an "underactive" thyroid. If it's making too much, it's called an "overactive" thyroid.

Starting Treatment:

When a thyroid problem is found, the next important thing is figuring out how to make it better. The type of treatment and when to start it depend on how bad the problem is and what symptoms are happening.

If someone has hypothyroidism for less than a year, the usual treatment is taking man-made hormones to replace the ones the body is not making enough of. But if the condition has been there for a long time, a person might need both man-made hormones and a special surgery on the thyroid gland to fix the real issue. If the thyroid gland is taken out, the main treatment is using man-made hormones to replace the missing ones.

Thyroid Imbalance Signs:

It's important to know the signs of thyroid imbalance to catch any issues early on. These signs can be different for everyone, so being aware and having regular check-ups is really important.

1. Feeling Cold Easily:

One common sign of thyroid imbalance is feeling extra sensitive to the cold. Even on warm days, you might feel chilly. This could be a sign that your T3 and T4 levels are low.

2. Always Tired:

If you're always tired, feel drained, and lack energy, it could be a sign of thyroid imbalance. This often happens when your T3 and T4 levels are not where they should be.

3. Changes in Emotions:

Thyroid issues can affect how you feel emotionally. You might become more irritable, moody, or even feel a bit down. These changes are connected to imbalances in T3 and T4.

4. Headaches:

While stress is a common cause of headaches, having low T3 and T4 levels in hypothyroidism can also contribute. It's important to understand this link for a correct diagnosis. 

Remember, if you notice any of these signs, it's a good idea to talk to a doctor. They can help figure out what's going on and guide you on the best steps to take for your health. Regular check-ups can catch potential thyroid issues early, ensuring you stay in good health.

Early Diagnosis for Optimal Management:

Finding out about thyroid problems early is super important because these issues usually don't get better on their own. But figuring out if something's wrong can be tricky because the symptoms are different for each person and can be kind of sneaky. For example, hypothyroidism can make you gain weight, but it might not be obvious if you start out thin and slowly put on weight. On the other hand, hyperthyroidism has more noticeable signs like losing weight, eyes that stick out, and having a hoarse voice. So, catching these problems early helps manage them better.

Treating Thyroid Problems:

When it comes to fixing issues with your thyroid, the plan is made just for you. You might get thyroid pills, and how much you take depends on things like your age, if you're a boy or a girl, and how healthy you are.

For people with hypothyroidism (when your thyroid is not active enough), they use fake hormones called T3 and T4 to replace the ones your body is missing. You can take these hormones as medicine, or sometimes the doctor takes them from your thyroid using a small procedure, like when you're sleeping.

If your thyroid is too active, which is called hyperthyroidism, they use fake hormones to slow it down. This helps your thyroid work normally and keeps you healthy.

Understanding thyroid problems is really important. It helps us know about the signs, how doctors figure it out, and what can be done to treat it. If you think you might have a thyroid issue, it's super important to see a doctor quickly. Also, keeping an eye on your health with regular check-ups is a great way to make sure your thyroid stays in good shape, keeping you healthy no matter your age or background.

Read FAQs


A. The best test to check for thyroid problems is a blood test. It helps doctors see if your thyroid hormones (T3 and T4) are normal. They might also check thyroid-stimulating hormone (TSH). This test is like a detective tool to understand how your thyroid is working.

A. The 3 main thyroid tests are: - T3 and T4 levels: These are your thyroid hormones. - TSH level: This shows if your thyroid is making enough hormones. These tests help doctors figure out if your thyroid is healthy.

A. You can't check your thyroid at home, but you can maintain thyroid health naturally by eating well and staying active. Include iodine-rich foods, like seafood, and foods with selenium, like nuts. Regular exercise and a balanced diet help keep your thyroid in good shape. If you notice any symptoms, it's best to see a doctor for a proper check-up.

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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