In developing countries, a scarcity of doctors and trained nurses means there is often no helping hand in times of healthcare need. The health crisis in developing countries is being exacerbated by the West as countries relax stringent immigration regulations to attract doctors and nurses from less developed countries to boost their own flagging health systems while saving money on expensive training, some experts say. This "brain drain" leaves gaping holes in the healthcare systems of developing countries where diseases such as AIDS, tuberculosis, and malaria run rampant and children die daily from diarrhea.