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Showing posts from February, 2025

Cancer Symptoms: When to See a Doctor

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  Cancer Symptoms: When to See a Doctor     What is the difference between a sign and a symptom? Symptom: A symptom is a subjective experience reported by the patient.   It's something that the patient feels or notices themselves.   It cannot be directly observed or measured by others. Examples of Symptoms: Pain Fatigue   Nausea   Dizziness   Headache   Sign: A sign is an objective finding that can be detected or measured by someone other than the patient, such as a doctor or nurse.   It's something that can be seen , heard , felt , or measured .   Examples of Signs: Fever (measured with a thermometer)   Rash   Swelling   High blood pressure (measured with a blood pressure cuff)   Abnormal lab results (e.g., blood test, X-ray) Why is it important to distinguish between signs and symptoms? Diagnosis: Both s...

Risk Factors for Cancer: Lifestyle and Environmental Factors

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  Risk Factors for Cancer: Lifestyle and Environmental Factors What is a cancer risk factor? How does it differ from a direct cause? Cancer Risk Factor: A risk factor is anything that increases a person's chance of developing cancer.   It's an association or correlation, not necessarily a direct cause-and-effect relationship.   Having a risk factor doesn't guarantee that a person will develop cancer.   Conversely, not having any known risk factors doesn't mean a person is immune to cancer.   Examples of Risk Factors: Smoking: Increases the risk of lung, bladder, and other cancers.   Age: The risk of most cancers increases with age.   Family history: Having a close relative with cancer can increase your risk due to shared genes or environmental factors.   Exposure to certain chemicals (e.g., asbestos): Increases the risk of specific cancers like mesothelioma. ...