I run experiments on mice and I've started having nightmares about them but my research could help thousands of people and I don't know if my emotional response means I should quit or if it means I still have a conscience.
More people experience this than they realize.
The harm your research requires is haunting you, and you can't tell if that means you should quit or that you still have a conscience.
“Where Are You with Science — Physical & Social Sciences?”
If this sounds familiar, the Library can help you find the bigger picture.