Unexplainable Pain –
Most of us go through some sort of pain due to various reasons such as work, exercising and doing daily chores. However, having constant, long-lasting and unexplainable pain, are red flags to be wary of. Especially if the pain does not seem to go away with basic medication. Chronic pain are either bone, brain or testicular cancer symptoms. Also, continuous back pain, can be a sign of either ovarian or colon cancer. Headaches which never seem to go away, may also be a symptom of brain cancer.