Eye-catching studies that didn't make the final cut:
Loneliness increases the risk of Alzheimer's disease.
Women prefer men with average jobs rather than high-fliers.
Investigating the research productivity of clinical psychology trainees.
Once baseline self-esteem is taken into account, orthodontic dental treatment (correcting alignment etc) is of little positive psychological benefit.
If you've come across a fascinating piece of new psychology research, please let me know.