Using birth control is No. 1, with 92% of respondents saying it’s morally okay, Gallup reports. Drinking alcohol is second, with 79%, followed by divorce at 77%, sex between unmarried man and woman at 71% and gambling at 68%, Gallup reports.
At the other end of the spectrum, there are seven behaviors that fewer than four in 10 Americans deem morally acceptable, including teenage sex (38%), pornography (37%), cloning animals (31%), polygamy (18%), suicide (17%), cloning humans (12%) and extramarital affairs (9%).