Cancer: 2 'Warning' Symptoms That 'Striking' Predictive of Cancer Cancer is hard to detect because it masks itself with everyday ailments. However, persistent complaints that are out of character should be considered because early intervention greatly improves outcomes.. The symptoms of cancer can be vague, but studies over the years have provided reliable criteria for identifying red flags..

“Scientists have long sought to evaluate the association between anxiety symptoms and subsequent cancer diagnosis in a large population-based study in primary health care.. Cases of hematuria (the presence of blood in the urine), hemoptysis (coughing up blood), dysphagia (difficulty swallowing) and rectal bleeding are often observed in patients who have not previously been diagnosed with cancer,"

All of the above symptoms are often harbingers of cancer, but two symptoms stood out.

" The reappearance of worrisome symptoms is associated with an increased likelihood of cancer diagnosis, especially in men and people over 65,"

How to Reduce Your Risk of Cancer Cancer researchers have identified many factors that contribute to cancer, some of which are modifiable..

For example, more than one in four cancer deaths (more than 25 percent) are caused by smoking.. Breathing in other people's smoke (passive smoking) also increases the risk of cancer.

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