Uncircumcised men run a small risk of developing phimosis, a condition that restricts urine flow and causes discomfort.
Most people have a natural resistance to meningococcal meningitis, but there is a small risk of complications, particularly for children under five.
However, there is still a small risk that shares will perform poorly for several decades, against which youth offers no defence.
But many of them also harbour an erroneous belief that pigs, unlike primates, pose a small risk of passing infections to people.
So you might ask, why accept even a small risk of such a dreadful outcome, if it can be made much smaller at moderate cost?
"We believe it actually shows there is only a small risk to any one individual against the background of conditions that exist with or without Vioxx, " says Frazier.
There is a small risk that people may contract a stomach bug if they come into contact with contaminated water, especially where there has been mixing with sewage.
However, Dr Taranissi said genetic screening did carry a small risk to the embryo, and would only be used on women who were thought to be at high risk.
Shale-gas producers also face opposition from greens, who object to the industry's heavy water usage and a small risk that fracking could lead to contamination of aquifers and even to earthquakes.
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Pregnant women should also avoid contact with sheep and newborn lambs during the lambing season because there is a small risk that an infected sheep or lamb could pass the infection on at this time.
And despite Google executive chairman Eric Schmidt's hope that "self-driving cars should become the predominant mode of transportation in our lifetime", it could be that even a small risk could be too much for some people to be comfortable removing the driver completely.
The irony of this is that this (and not, for example MMR) was the one vaccine then used which was known to carry a small risk of very serious neurological side effects - it could, very rarely, actually cause polio, the disease it is designed to prevent.
Uncontrolled celiac disease is also associated with a small increased risk of a number of malignancies.
This is a relatively small risk but it is there and people need to know that.
Rushing into a whole series of scans to rule out a small heart risk may not accomplish much.
The new study, which followed patients for an average of 4.5 years, didn't last long enough to conclusively rule out a small increased risk of cancer from oral bisphosphonates, according to the researchers.
And, because myriad Dodd-Frank rules remain unwritten and banks are facing the phase-in of new Basel III standards, to increase profits, banks can either make a riskier loan in an uncertain regulatory environment, or cool their heels and collect a small but risk-free return.
Known risk factors for breast cancer are relatively weak, contributing only a small elevation in risk.
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That they are shoring up a firm too small to pose a systemic risk betrays a continuing lack of confidence in the financial system's ability to absorb even modest shocks.
Drug safety experts--who understand how even a small increase in risk for a common problem like heart attacks can have massive effects--need to be there.
It said the trees had been felled following an ecology assessment of the site that found they posed a "small potential risk to local bat populations".
The bad economist pursues a small present good that will be followed by a great evil to come, while the good economist pursues a great good to come, at the risk of a small present evil.
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Fair Isaac weighs up to 20 variables when modeling a small fry's risk profile.
The only new mission that nearly got going was a small, low-risk British-sponsored one to Sierra Leone.
My risk model starts accumulating a position when the risk is small, and the reward is high and increasing.
There is a very small but real risk of harm from vaccines, and the Vaccine Court has made thousands of awards to compensate victims.
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Mark Pilcher from the Environment Agency said the water was currently rising at a rate which is "faster than the pumps could manage" and that there was a risk "a small amount may be discharged".
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However, although this is significant when assessed in the light of a very minor operation, the extra risk is very small in comparison to the higher overall risk of major surgery like a heart bypass.
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