So this again raises the problem of how writers can smartly evaluate their choices. (janefriedman.com)
Turns out she's falling in love with a spirit that changes bodies every single day, which raises some problems — and some issues. (io9.gizmodo.com)
The heads - up assumption raises problems, however, such as the difficulty of pumping blood to a brain that is more than 10 meters above the body. (sciencemag.org)