The imposition of artificial famine, or the exploitation of war and environmental and weather conditions, to weaken or destroy a specific group. People are often blockaded and given no means of escape from the affected region or the containment area (“concentration camp”), offers of food aid from the outside world are turned down, and the farming, procuring or eating of food is prohibited. Medical care is sub-standard or non-existent, life-saving medicines are in short supply or absent, and medical facilities, as well as schools and other institutions important to collective health, are closed or intentionally destroyed.