Generations of opium addiction

Mazar-e-Sharif, Afghanistan - In a far flung corner of northern Afghanistan, Aziza reaches into the dark wooden cupboard, rummages around, and pulls out a small lump of something wrapped in plastic.

She unwraps it, breaking off a small chunk as if it were chocolate, and feeds it to four-year-old son, Omaidullah. It's his breakfast - a lump of pure opium.

Read the full story from CNN's Arwa Damon