But the reality is we have a big epidemic in northern Nigeria.

The leaves are sold as food in markets of northern Nigeria.

A project is currently under way to strengthen civil society, especially in northern Nigeria.

These dreadful things are happening in central and northern Nigeria.

But in northern Nigeria, it's used in almost all cases.

Its several dialects are spoken in northern Nigeria by about 30,000 people.

For instance, northern Nigeria did not outlaw slavery until 1936.

Gunmen burst into church in northern Nigeria, killing at least five people.

All of this makes northern Nigeria fertile ground for political opportunists.