The long time neighbors will probably tell you some stories if you ask nice and let them talk.
People die and are born in all kinds of places we all go to everyday-just part of life.
It is of my opinion that there is no truth or weight to that statement. Buyers generally do not research this and appraisers do not take this into consideration when valuing a property.
As an agent you are not required to disclose any deaths or stigmas about the home. This can work two ways, you can market the home to your average nice family looking to move buyer or if there was a serial killer living in the house, you can market the property to a specific gore and blood group. Either way it's not necessary to explain what happened in the home. Good luck