Why Some People Get Zits And Others Don't

Teenagers rejoice, zit bacteria aren't all bad. New research finds the microbes that cause the most common form of acne come in two flavors: the 'bad' variety that causes pimples and the 'good' type that may keep the skin glowing. The findings may explain why despite the fact that everyone's skin is crawling with zit bugs only one in five people develops acne in their lifetime.