If you suffer from constant pain, such as a headache or backache, it may be an indication of a certain type of cancer. Any persistent discomfort requires medical attention.
11. Fever
Fever is most commonly related to cancer of the immune system, but it can also suggest any type of cancer that begins to infect other organs.
12. Weight Loss
If you lose too much weight without exercising or dieting, it could be a sign of cancer. According to the American Cancer Society, most cancer patients experience sudden weight loss.
13. Cough
A persistent cough and a scratchy throat are signs of respiratory tract cancer, such as throat or lung cancer. See your doctor if your cough does not go away.
14. Unusual nymphs
If your lymph nodes are unexpectedly swollen or tender and uncomfortable. You should seek medical attention.
15. Fatigue
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