Beware of decorative toilet paper that could hide signs of illness.
Toilet paper containing red ink could disguise a dangerous medical condition, one doctor believes.
Paper that is decorated with pictures or designs that include red ink could look bloody when wet, and traces of red blood in the toilet are one of the most common signs of colon cancer, colorectal surgeon Dr. Guy Nash of Poole Hospital, in England, wrote in a letter published Jan. 15 in the journal BMJ Case Reports.
"Those patients bleeding will miss real blood, and those not bleeding will report 'blood' in the toilet mistakenly," Nash said.
Colon cancer, or colorectal cancer, develops in the cells that line the large intestine (colon) or rectum. The condition caused about 50,000 deaths in the United States in 2013, according to the National Cancer Institute, and many people suffer few symptoms early on. [10 Do's and Don'ts to Reduce Your Risk of Cancer]
Nash said he saw what looked like blood in his own toilet, but it turned out to be red hearts adorning the bathroom tissue. He said manufacturers and the public should be aware of this risk.
"In my view, it is irresponsible of the makers to have not considered this," Nash told LiveScience in an email, adding that inks of other colors would not create this difficulty.
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