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Published on: Jul 29, 2021
2 minute read
By: Raj Dwivedi

What Tests Are Used To Manage Anemia And What Do They Mean?

The doctors use a number of tests to diagnose anemia. Hb (hemoglobin) is one of the key indicators used in diagnosis. A hemoglobin test is a blood test that measures how much hemoglobin you have in your red blood cells. A hemoglobin test is generally used for detecting:

In addition, a hemoglobin test can also be carried out to assess bone marrow's response to treatment, evaluate possible blood donation and check the levels of red blood cells in the body. There are certain conditions that may interfere with the results of the hemoglobin test. In such cases, it is recommended to get the test done again.

For the hemoglobin test, a sample of your blood is taken and tested in a clinical laboratory [read more about the process here]. The results are expressed as grams of hemoglobin per deciliter (g/dL) or micrograms per liter (mcg/L). Normal range for this test is 12g/dL - 18g/dL (12.1-18.0 g/L) for adults and 9g/dL - 13g/dL (9.0-13.3 g/L) for children. If the test result comes out to be less than 7 gm, it can indicate a serious condition known as severe anemia. In some cases, the doctors may order follow-up tests to assess the current condition of the patient.

Apart from the hemoglobin test, certain other blood tests can be used for detecting low RBCs (RBC count) or abnormal types of RBC (red cell indices) or hemoglobin (Hb). These include complete blood count tests, reticulocyte tests, iron tests, and red blood cell indices.

In some cases, the doctor may opt to do a bone marrow aspiration and exam to check for any abnormalities in the bone marrow cells. In such cases, it of red blood cells is karyotype to rule out chromosomal disorders.

The most common reason for having an inadequate number of red blood cells in the body is an iron deficiency or anemia. Iron plays a significant role in the production of hemoglobin, which is responsible for carrying oxygen from the lungs to the tissues of other parts of the body. Hence, people suffering from iron are known as sickle cell trait. The tests include:

Complete blood count test - The complete blood cell count (CBC) is a routine test that checks the different components of your blood like number of red blood cells, white blood cells and platelets. It also has information about the size and hemoglobin content in each of these cells. A CBC includes tests for the following:

Reticulocyte test - This is a blood test that measures the reticulocytes (immature red blood cells) in the bloodstream. A high level of reticulocytes can indicate increased production of red blood cells by the bone marrow to compensate for anemia, or destruction of very early stage RBCs which are still unable to mature.

Iron tests - Iron is an essential component for RBC production. A test to assess the iron level in your blood is called a serum ferritin test, which measures the amount of iron stored in the body's cells and tissues. Another way to evaluate low iron levels is by carrying out a transferrin saturation test. In this case, the lab technician will extract serum from your blood sample and measure the amount of transferrin protein present in it. Transferrin is a protein that carries iron to the bone marrow where red blood cells are produced. Thus, if there is an insufficient amount of transferrin protein present in the serum, it shows that there is an inadequate level of stored iron.

Hemoglobin tests - A hemoglobin test is generally carried out to detect anemia, especially if the result of CBC tests are inconclusive. During this test, a small sample of blood is collected from your vein and sent to the laboratory for analysis. The test measures the amount of hemoglobin in your red blood cells.

Red cell indices - Red cell indices are tests that measure the size and hemoglobin content of the red blood cells. The values obtained from these tests can be used to detect anemia and other blood disorders.

Karyotype test - It is a lab test used to evaluate chromosomal abnormalities in red blood cells or bone marrow cells

Low blood cell counts also have other causes, such as infections or tumors. In some cases, low blood cells may indicate a more serious condition like bone marrow failure which requires immediate medical intervention to save the patient from death.

Thus, if you are suffering from any of these conditions and symptoms and suspect that you may be anemic, check with your doctor for the necessary tests to confirm or rule out your suspicions. Early detection and treatment of anemia can save you from serious complications like heart attacks, strokes, blood clots, etc.

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Health Risks of Irregular Eating Habits: How Skipping Meals Affects Your Body

Maintaining a balanced and consistent diet is essential for good health. However, modern lifestyles often lead to irregular eating patterns due to busy schedules, work stress and changing daily routines. Many people skip meals, eat late at night or consume food at inconsistent times.

Understanding the health risks of irregular eating habits is important for maintaining metabolic balance and overall wellbeing. Consistent meal timing plays a key role in supporting digestion, energy levels and long-term health.

What Are Irregular Eating Habits?

Irregular eating habits refer to inconsistent or unpredictable meal patterns.

Common examples include:

Skipping breakfast or other meals
Eating meals at varying times each day
Consuming large meals late at night
Frequently replacing meals with snacks

These habits may disrupt the body’s natural metabolic rhythm.

How the Body Regulates Eating Patterns

The human body follows internal biological rhythms that regulate hunger, metabolism and digestion.

When meals occur at consistent times, the digestive system prepares enzymes and hormones needed for efficient food processing.

Irregular eating patterns may interfere with these processes.

1. Disruption of Metabolism

Metabolism refers to the process by which the body converts food into energy.

Skipping meals or eating inconsistently may slow metabolic activity, making it harder for the body to regulate energy balance.

This disruption may contribute to metabolic disorders over time.

2. Increased Risk of Weight Gain

Although skipping meals may appear to reduce calorie intake, it often leads to overeating later in the day.

Large or late meals may increase calorie consumption and contribute to weight gain.

Irregular eating may also affect hormones that regulate appetite.

3. Digestive Problems

The digestive system functions best when meals occur at regular intervals.

Irregular eating may cause symptoms such as:

Acid reflux
Bloating
Indigestion
Stomach discomfort

Consistent meal timing helps maintain digestive balance.

4. Fluctuating Energy Levels

Skipping meals can lead to sudden drops in blood sugar levels.

Low blood sugar may cause symptoms such as:

Fatigue
Dizziness
Difficulty concentrating

Regular meals help maintain steady energy throughout the day.

5. Impact on Blood Sugar Control

Irregular eating patterns may disrupt glucose regulation.

Over time, inconsistent meal timing may increase the risk of insulin resistance and type 2 diabetes.

Maintaining stable blood sugar levels is important for metabolic health.

6. Nutritional Deficiencies

Skipping meals can reduce the intake of essential nutrients required for body function.

A balanced diet provides vitamins, minerals and other nutrients needed for immunity, metabolism and overall health.

Irregular eating habits may lead to nutritional imbalances.

Irregular Eating Habits in the Indian Context

In many urban areas of India, demanding work schedules and long commuting times often lead to irregular meal patterns.

Late-night eating, fast food consumption and skipped meals have become common among professionals and students.

These lifestyle patterns may increase the risk of metabolic and digestive health problems.

Promoting regular meal timing and balanced diets is essential for improving public health.

Tips to Maintain Healthy Eating Habits

Establish Regular Meal Times

Eating meals at consistent times each day helps regulate digestion and metabolism.

Do Not Skip Breakfast

Breakfast provides essential energy for starting the day and supports metabolic activity.

Plan Balanced Meals

Include a variety of foods such as:

Whole grains
Fruits and vegetables
Lean proteins
Healthy fats

Balanced nutrition supports overall health.

Avoid Late-Night Heavy Meals

Eating large meals close to bedtime may disrupt digestion and sleep.

Stay Hydrated

Adequate hydration supports digestion and nutrient absorption.

When to Seek Medical Advice

Consult a healthcare professional if irregular eating habits lead to:

Persistent digestive problems
Unexplained weight changes
Chronic fatigue
Blood sugar irregularities

Early intervention can help prevent long-term health complications.

Conclusion

Irregular eating habits may significantly impact metabolism, digestion and overall health. Skipping meals, inconsistent meal timing and late-night eating can disrupt the body’s natural rhythms and increase the risk of metabolic disorders.

Maintaining consistent meal schedules, balanced nutrition and healthy lifestyle habits can support digestive health and stable energy levels.

By adopting regular eating routines, individuals can improve metabolic balance and reduce the risk of long-term health complications.

Healthy eating patterns are a fundamental part of maintaining overall wellbeing and long-term health.

References

Indian Council of Medical Research – Nutrition and Dietary Guidelines
World Health Organization – Healthy Diet Recommendations
National Institute of Nutrition India – Balanced Meal Guidelines
Journal of Nutrition and Metabolism – Meal Timing Research
Lancet Global Health – Nutrition and Lifestyle Studies

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