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Health Care, Healthcare, Public Health, Uncategorized

Most People Ignore Cancer Warning Signs, Study Finds

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Cancer is one of the leading causes of morbidity and mortality worldwide, with an estimated 14 million new cases of cancer and around 8.2 million deaths from the disease in 2012. But despite such alarming numbers, a new study finds that most people ignore cancer warning signs, attributing them instead to symptoms of less serious illnesses.

Lead study author Dr. Katriina Whitaker, senior research fellow at University College London in the UK, analyzed the responses of 1,724 people aged 50+ to a health questionnaire that was sent to them in April 2012.

The questionnaire asked participants whether they had experienced any of 17 symptoms, 10 of which are defined as cancer “alarm” symptoms. These symptoms include unexplained cough, changes in mole appearance, unexplained bleeding, persistent change in bowel habits, unexplained weight loss, difficulty swallowing and unexplained lumps.

Participants were not told which symptoms are cancer warning signs.

The respondents were also asked what they thought was the cause of any symptoms they experienced, whether they deemed the symptoms to be serious, and whether they visited their doctor as a result of their symptoms.

Only 2% of respondents considered warning symptoms to be cancer-related

Results of the study, published in the journal PLOS ONE, revealed that 53 percent of participants reported that they had experienced at least one cancer warning sign over the past 3 months.

The most common cancer warning symptoms reported were persistent cough and persistent change in bowel habits, while unexplained weight loss and problems swallowing were the least common.

However, the researchers were surprised to find that of the respondents who reported cancer warning symptoms, only 2 percent considered cancer to be a potential cause.

What’s more, Dr. Whitaker says that among participants who reported the most obvious signs of cancer — such as unexplained lumps or changes in mole appearance — most did not consider them to be cancer-related.

“Even when people thought warning symptoms might be serious, cancer didn’t tend to spring to mind,” adds Dr. Whitaker. “This might be because people were frightened and reluctant to mention cancer, thought cancer wouldn’t happen to them or believed other causes were more likely.”

Cancer warning signs should prompt trip to the doctor

On a positive note, respondents did deem the cancer warning signs to be more serious than symptoms not linked to cancer – such as shortness of breath, fatigue and sore throat – and 59 percent of those who experienced cancer warning signs visited their doctor.

However, says Dr. Whitaker, the findings show that the majority of people are dismissing potential warning signs of cancer, which could be putting their health at serious risk:

“Most people with potential warning symptoms don’t have cancer, but some will and others may have other diseases that would benefit from early attention. That’s why it’s important that these symptoms are checked out, especially if they don’t go away.

But people could delay seeing a doctor if they don’t acknowledge cancer as a possible cause.”

Sara Hiom, director of early diagnosis at Cancer Research UK, says the study points to new opportunities for cancer prevention through better detection of warning signs.

“Most cancers are picked up through people going to their general practitioner (GP) about symptoms, and this study indicates that opportunities for early diagnosis are being missed,” says Hiom “[The] results could help us find new ways of encouraging people with worrying symptoms to consider cancer as a possible cause and to get them checked out straight away with a GP.”

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