seriously affect asthmatics and sufferers of lung diseases… http://www.salon.com/mwt/feature/ask_pablo/2008/06/30/ask_pablo_fireworks/index.html?source=newsletter   • Strontium (red): http://en.wikipedia.org/wiki/Strontium#Effect_on_the_human_body Effect on the human body ….. but the radioactive 90Sr can lead to various  bone  disorders and  diseases , including  bone cancer . The  strontium unit  is used in measuring radioactivity from absorbed 90Sr.   • Aluminum (white): http://en.wikipedia.org/wiki/Aluminium#Health_concerns According to the  Alzheimer's