Lung cancer is often thought of as a disease that only affects smokers, but the reality is much more complex. In fact, up to 20% of people who die from lung cancer have never smoked a cigarette in their lives. Whether you’re a lifelong nonsmoker or someone who quit years ago, understanding the signs of lung cancer can be life-saving. Let’s explore eight surprising symptoms of lung cancer that you should be aware of, regardless of your smoking history.

Before diving into the symptoms, it’s important to understand why nonsmokers can develop lung cancer. Environmental factors play a significant role. Exposure to air pollution, secondhand smoke, and hazardous materials like asbestos can all contribute to lung cancer risk. Genetics may also play a part, making some individuals more susceptible to the disease despite a lack of direct smoking exposure.

1. Lingering Cough: When It’s More Than Just a Cold

A persistent cough is one of the most common early signs of lung cancer. While it’s easy to dismiss a cough as a symptom of a lingering cold or allergies, a cough that lasts more than a few weeks should be taken seriously. Dr. McKenna, an expert in thoracic oncology, notes that most lung cancer patients report a persistent cough, sometimes accompanied by blood or thick, rust-colored mucus. Even if your cough is dry, if it has stuck around for over a month, it’s time to see your doctor.

2. Chronic Infections: A Red Flag for Your Lungs

Are you constantly battling respiratory infections? If every cold seems to settle in your chest and turn into chronic bronchitis or pneumonia, it could be a sign of something more serious. Frequent lung infections can indicate that there’s an underlying issue, such as lung cancer, that’s compromising your immune system. Don’t ignore this pattern—consult with a healthcare professional to rule out serious conditions.

3. Unexplained Weight Loss: A Signal from Your Body

Unexpected weight loss can be a troubling symptom of many health issues, including cancer. In the case of lung cancer, a tumor may produce proteins that alter your body’s metabolism, leading to weight loss even if you haven’t changed your diet or exercise routine. Along with weight loss, you might also notice a loss of appetite. If the numbers on the scale are dropping without explanation, it’s crucial to investigate further.

4. Bone Pain: When Cancer Spreads Beyond the Lungs

Lung cancer isn’t confined to the lungs—it can spread (metastasize) to other parts of the body, including the bones. This can result in deep, aching pain, particularly in the back, hips, or joints. While bone pain can have many causes, such as a vitamin D deficiency, persistent or severe pain should never be ignored. Dr. Jacoub, a specialist in oncology, emphasizes that this type of pain warrants immediate medical attention.

5. Swelling in the Neck and Face: A Subtle Symptom with Serious Implications

Swelling in the neck and face is a less obvious symptom of lung cancer, but it’s one that can indicate a tumor is pressing against the superior vena cava, a major vein that carries blood from the head and arms to the heart. This pressure can cause noticeable swelling in the face, neck, arms, and upper chest. If you observe this kind of swelling, it’s important to seek medical evaluation promptly, as it may be a sign of advanced lung cancer.

6. Overwhelming Fatigue: More Than Just Feeling Tired

Fatigue is a common complaint, but the type of fatigue associated with lung cancer is profound. It’s not just about feeling tired after a long day; it’s an overwhelming exhaustion that doesn’t go away, even with rest. As many as 80% of people with cancer report excessive tiredness, often feeling too exhausted to even carry out daily activities. If rest doesn’t relieve your fatigue, it’s a symptom that needs further exploration.

7. Muscle Weakness: When Everyday Tasks Become Challenging

Muscle weakness, particularly in the hips, shoulders, arms, and legs, can be an early sign of lung cancer. This weakness can make simple activities, like getting out of a chair, feel unusually difficult. Lung cancer can affect the muscles directly or through secondary effects, such as metabolic changes. If you’re noticing that your strength isn’t what it used to be, it’s worth discussing with your doctor.

8. High Calcium Levels: A Hidden Danger

Certain types of lung cancer can cause the body to release excess calcium into the bloodstream, leading to a condition known as hypercalcemia. High calcium levels can cause a range of symptoms, including frequent urination, excessive thirst, constipation, nausea, abdominal pain, and dizziness. While you might not know your calcium levels without a blood test, the associated symptoms should prompt a visit to your healthcare provider.

Conclusion: Don’t Ignore the Warning Signs

Lung cancer is a serious disease that can affect anyone, regardless of their smoking history. By paying attention to the subtle symptoms discussed here, you can catch potential warning signs early and seek medical advice. Early detection of lung cancer significantly improves the chances of successful treatment, so don’t hesitate to talk to your doctor if you experience any of these symptoms.