Old people in Nigeria's cities can't even rely on public transport.
Obesity is on the rise among urban African women of reproductive age in all of the 24 countries studied.
How can African research universities be more responsive to African countries' needs? And how can these universities work together to leverage funding for research informed by African realities?
So-called lifestyle diseases such as cancer and heart disease have been rising in Africa, adding to the already huge burden of disease in poor countries. But the research has not kept pace.