• Published on: Sep 02, 2021
  • 3 minute read
  • By: Cancer Expert

What Are The First Signs Of Cancer?

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What are the first signs of cancer?

Depending on the type of cancer, specific signs and symptoms will vary. There is no single symptom or sign that always indicates cancer.

For example:

  • A mole may change including color, texture, thickness, and shape over time and these changes need to be monitored by a physician.
  •  Lumps in the breast may be discomforting or painful as well as noted distinct changes such as size, shape, or hardness.
  • A new cough that can't be cured can signal lung cancer which includes blood in phlegm circulation as well as an abrupt onset of coughing up clear mucus than thick blood-tinged mucus; shortness of breath; weakness; night sweats; fever & weight loss due to infectious complications from treatment

If you have any skin change, mole growth, sores in your mouth or on the outside of your body, or bleeding from anywhere including nosebleeds. You have no appetite and can't keep food down. Or there is weight loss in a short amount of time. Your breathing has a funny smell to it because you're not getting any oxygen into the lungs where there's supposed to be blood going through this way that's sign number two that something might be wrong because usually when somebody would have cancer, they'll notice these red marks on their bodies kind of like what I'm talking about if somebody had chickenpox before they would get these weather marks. And lastly for this one vomiting up blood or fresh blood from somewhere

The first signs of cancer might be a general sense of fatigue and lack of energy, which can come and go, and many patients won't know that this is something to worry about. Other symptoms include night sweats or problems with sleep due to pain or difficulty breathing. The most common problem people might notice is a change in bowel habits such as diarrhea alternating with constipation. There may also be warning signs such as coughing up blood, unexplained weight loss, fevers that last more than three days without other cause (such as an infection), bleeding from the vagina in women who are not on their menstrual cycle (or vaginal bleeding after menopause), blurred vision without previous eye problems (which does not respond

Signs of cancer can include a unique smell coming from the mouth, swollen glands in the neck, a lump on a breast or testicle, tonsillitis with prolonged fever, and sensitivity to light.

But also, beware of false alarms! Some people have white patches on their tonsils or spotty saliva that they mistake for early signs of oral cancer. That's often because they have been abnormally dry from excessive inhalation of smoke-related toxins such as formaldehyde, chromium, and nickel. In most cases, these spots are nothing more than one side effect from this kind of chronic exposure - along with loss of taste sensation and dental problems - but it still does require medical attention.

Soon after, swelling in lymph nodes typically begins to develop under the arm or in the neck. Lymphocytes are white blood cells that are responsible for defending the body against infection. The high levels of lymphocytes cause them to congregate in certain areas, generating swollen lymph nodes which feel hard and moveable.

The first sign of cancer is bloody stool. If you are a suspect, speak to your doctor immediately. Second Medic consultation online will help you have a diagnosis of any diseases at the early stages so that treatment can be started in good time.

It depends on where the cancer is in your body, but some common first signs of cancer include painless lumps, swelling in one area that doesn't go away with time, unexplained weight gain or loss, easy bruising, or bleeding for no known reason. If you experience any of these symptoms you should consult a medical professional immediately.

The first sign of cancer is also when you don't feel well. Then, consult a medical professional urgently.

The most important step in preventing cancer is being proactive about your health. Cancer doesn't just happen out of nowhere, it's usually the culmination of bad lifestyle choices (smoking, overeating, not enough sleep) and neglecting oneself--our bodies are fragile machines that require constant upkeep. If we find ourselves feeling bad for an extended period of time then there may be something beyond our control at play--seek medical attention ASAP to get down to the root cause!

The first signs of cancer are typically the formation of a lump, such as a tumor. Lumps can be painless and yet still lead to potential health problems. If you suspect that you have any type of abnormal swelling or lumps in your breast or another area, contact your physician immediately.

The next thing to note is the color and feel of the skin:

  • Is there an unnatural change in skin color?
  • Are skin lesions present?
  • Do you have any unexplained bruising or bleeding anywhere on your body?

Are there new areas on your skin that appear discolored and blotchy? These could be patches from birthmarks too but it's best to get them checked out by a dermatologist

Read Blog
Role of Nutrition in Disease Prevention: How Food Choices Shape Long-Term Health

Role of Nutrition in Disease Prevention: How Food Choices Shape Long-Term Health

Disease prevention is no longer limited to vaccinations and medical screenings. Modern healthcare increasingly recognises nutrition as one of the most powerful tools for preventing illness before it begins. The role of nutrition in disease prevention is especially important in India, where lifestyle-related diseases account for a large share of premature illness and mortality.

According to the Indian Council of Medical Research (ICMR) and the National Family Health Survey (NFHS-5), poor dietary patterns contribute significantly to rising cases of diabetes, heart disease, obesity and hypertension. Unlike genetic factors, nutrition is a modifiable risk factor, meaning everyday food choices can actively protect health.

 


Why Nutrition Is Central to Disease Prevention

1. Nutrition regulates metabolic health

Balanced diets help maintain:

  • healthy blood sugar levels
     

  • optimal cholesterol balance
     

  • stable blood pressure
     

Disruption in these systems increases disease risk.

2. Nutrition strengthens immunity

WHO highlights that immune function depends heavily on adequate intake of vitamins, minerals and protein.

3. Nutrition controls inflammation

Chronic low-grade inflammation is linked to most lifestyle diseases. Diets rich in whole foods reduce inflammatory markers.

Major Diseases Influenced by Nutrition

Diabetes and Prediabetes

Excess refined carbohydrates and sugar drive insulin resistance.

Preventive nutrition focuses on:

  • whole grains
     

  • fibre-rich vegetables
     

  • adequate protein
     

  • controlled portion sizes
     

ICMR data shows that dietary modification can delay or prevent type 2 diabetes in high-risk individuals.

Cardiovascular Disease

Heart disease remains a leading cause of death in India.

Nutrition impacts:

  • cholesterol levels
     

  • blood pressure
     

  • arterial inflammation
     

Diets low in trans fats and high in fibre significantly reduce cardiovascular risk, as confirmed by WHO and Lancet studies.

Obesity

Obesity increases the risk of multiple chronic diseases.

Preventive nutrition addresses:

  • calorie density
     

  • food quality
     

  • satiety regulation
     

NFHS-5 reports a steady rise in overweight and obesity across age groups.

Hypertension

High sodium intake and low potassium intake contribute to high blood pressure.

Preventive dietary strategies include:

  • reducing processed foods
     

  • increasing fruits and vegetables
     

  • maintaining mineral balance
     

Certain Cancers

Diet influences cancer risk through:

  • antioxidant intake
     

  • fibre consumption
     

  • reduced exposure to carcinogenic compounds
     

WHO estimates that a significant percentage of cancers are preventable through diet and lifestyle changes.

Key Nutrients That Support Disease Prevention

Fibre

Supports gut health, blood sugar control and cholesterol reduction.

Protein

Essential for muscle health, immune function and metabolic balance.

Healthy Fats

Omega-3 fats reduce inflammation and protect heart health.

Micronutrients

Iron, zinc, vitamin D and B vitamins are essential for metabolic and immune regulation.

NFHS-5 highlights widespread micronutrient deficiencies in India, increasing disease vulnerability.

Role of Gut Health in Prevention

The gut microbiome plays a major role in:

  • immune regulation
     

  • inflammation control
     

  • nutrient absorption
     

Fermented foods and fibre-rich diets support healthy gut bacteria, strengthening disease resistance.

 

Why Preventive Nutrition Works Best Early

Nutrition is most effective when applied:

  • before disease onset
     

  • during pre-disease stages
     

  • alongside regular health screening
     

Once disease progresses, nutrition remains supportive but may not reverse damage fully.

Nutrition vs Medication in Prevention

Medication treats disease; nutrition reduces risk.

WHO and NITI Aayog emphasize that:

  • preventive nutrition reduces disease incidence
     

  • lifestyle modification lowers healthcare burden
     

  • early nutrition changes reduce dependency on long-term medication
     

Both approaches work best when combined appropriately.

Workplace and Community Role in Preventive Nutrition

Structured nutrition programs at workplaces and communities:

  • improve awareness
     

  • support behaviour change
     

  • reduce population-level disease burden
     

Lancet studies show that group-based nutrition interventions improve long-term adherence.

 

Common Myths About Nutrition and Disease Prevention

Myth 1: Supplements replace healthy food

Whole foods provide better long-term protection.

Myth 2: Prevention requires extreme diets

Consistency matters more than restriction.

Myth 3: Nutrition only matters after diagnosis

Early nutrition is most effective before disease develops.

Building a Preventive Nutrition Routine

Effective preventive nutrition includes:

  • regular meals
     

  • diverse food groups
     

  • portion awareness
     

  • minimal processed foods
     

  • hydration
     

Small daily choices compound into long-term health benefits.

Long-Term Impact of Preventive Nutrition

Consistent healthy eating leads to:

  • reduced disease risk
     

  • improved energy and productivity
     

  • better immune resilience
     

  • lower healthcare costs
     

  • improved quality of life
     

NITI Aayog identifies nutrition as a cornerstone of sustainable healthcare systems.

Conclusion

Understanding the role of nutrition in disease prevention empowers individuals to take control of their health long before illness develops. Balanced, consistent nutrition reduces inflammation, supports immunity and protects against chronic diseases that burden India’s healthcare system. Preventive nutrition is not about short-term fixes but about building lifelong habits that support health, resilience and longevity.

 

References

  • ICMR – Nutrition and Lifestyle Disease Prevention Reports
     

  • National Family Health Survey (NFHS-5) – Dietary and Metabolic Health Data
     

  • NITI Aayog – Preventive Healthcare and Nutrition Strategy Reports
     

  • WHO – Diet, Nutrition and Chronic Disease Prevention Guidelines
     

  • Lancet – Nutrition and Disease Risk Reduction Studies
     

  • Statista – Dietary Trends and Health Outcomes India
     

  • EY-FICCI – Preventive Healthcare and Nutrition Economics

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