There is still risk involved in any kind of desensitization approach because it requires giving patients the very food that makes them react, she said.

CNN: 'Exciting' advance reported in peanut allergy therapy

Some have criticized the use of video game technology to train and equip military recruits, citing it as a form of desensitization that makes the taking of lives easier.

FORBES: How Do Video Games and Modern Military Influence Each Other?

But there are many unknowns about this treatment, and it's not clear how permanent the state of desensitization is, she said, and this immunotherapy method is not a cure.

CNN: 'Exciting' advance reported in peanut allergy therapy

Our socially toxic culture promotes paranoia, desensitization to violence, almost unlimited access to lethal weapons, opportunities to practice mass murder via realistic "point and shoot" video games and games that justify violence as a legitimate form of vengeance in pursuit of an individual's or group's idea of justice.

CNN: How a boy becomes a killer