Two-thirds of American adults believe there are some circumstances in which doctors and nurses should allow a patient to die, according to a recent Pew Research Center survey. However, a growing minority believe that medical professionals should do everything possible to save a patient's life in all circumstances.

More people come down on one side or the other than did before. While 12 percent of those surveyed said that they couldn’t answer the question in 1990, only 3 percent said “don’t know” in 2013.

While 62 percent of U.S. adults said they believe a person has the moral right to suicide if he or she is in a great deal of pain and has no hope of getting better.

Those who said they were unaffiliated with any religion were also far more likely to approve of suicide. There were also significant differences between the opinions of different religious groups.

Here’s the data:

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America's views on end-of-life treatments IBTimes/Lisa Mahapatra