Guinea, Liberia and Sierra Leone were just starting to see economic progress after years of conflict. The blow of Ebola, says the World Bank, could be "catastrophic."
Justin McCowan wanted to help find a cure for Alzheimer's because it's more common in people like him who have Down syndrome. He died in his sleep last week at age 40.
As the availability of mental health services has declined, many police departments have trained Crisis Intervention Teams to respond to people with mental illness.