Why is CCR advocated more than CPR? (Check all that apply.) CPR is still the most taught skill to EMS and to citizens.
CCR feeds the brain with blood flow.
CCR is extremely strenuous but more worth it than CPR
Stopping CPR to give mouth-to-mouth resuscitation in the CPR procedure stops the benefits of pumping the heart muscle,

answer: no, they are not.*

although rubber bands that contain excessive amounts of dye, toxins, or additives are sometimes toxic, most rubber bands do not cause any health issues. since they are typically made of latex, (a natural substance that is extracted from trees) they are not dangerous in any way if you chew them or accidentally ingest a piece of rubber band. however, chewing rubber bands does pose a choking hazard and is not a good habit to have.

*depending on the type of rubber band. the typical rubber bands that you see at stores are not toxic, but other types of rubber or latex that contains certain chemicals may be unhealthy and hazardous.