Is technology advancement a major factor of aggression among youth?

I think it's chemical. Many U.S. cities are still putting fluoride in our drinking water, which is a cumulative carcinogen, and has been found to cause neurological problems, even though studies have found no decrease in cavities. There's also chlorine (another poison) and in some places, even ammonia. Add to that all the chemicals in our food in the form of pesticide residue, and the toxins we breathe from car and factory exhaust and 2nd had cigarette smoking, and is it any wonder that we have such a high rate of ADHD and autism?

What can you do? Spread the word, and get U.S. cities to stop water fluoridation, like many countries have already done. Many years ago, when I lived in L.A., I actually helped pass an initiative that got them to stop fluoridating (later to be changed by CA). For more details about the risks and what you can do, a good place to start is FluorideAlert.org. Don't drink fluoridated water -- bottled is usually better (if the bottles don't contain BPA), but for your home, get a reverse osmosis water purifier. These aren't the cheap filters that just pass water through carbon to take out the chlorine taste, but they actually remove chemicals.

Eat organic as much as possible. If you can't afford it, at least eat the riskiest foods (like strawberries) only in organic.

To answer your original question, yes and no. If technological advancement includes all the things that led to our eating and drinking so many toxins, then yes.