12. Fatigue & Tiredness
Its natural to feel tired from time to time, say after a particularly busy week at work or a long trip. In these cases, you should recover with some much deserved rest. But, if the fatigue doesn’t go away even with rest, it could point to cancers like stomach, colon, or blood (leukemia).
13. Aches & Pain
Pain is one of the most common signs of cancer, and also one the most commonly ignored signs of cancer. Bone and testicular cancer can cause aching, frequent and severe headaches may be an indication of brain tumor, and back pain could be a symptom of ovarian or colon cancer.
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