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Cannabis and Tobacco in Precolonial and Colonial Africa  

Chris S. Duvall

Cannabis and tobacco have longstanding roles in African societies. Despite botanical and pharmacological dissimilarities, it is worthwhile to consider tobacco and cannabis together because they have been for centuries the most commonly and widely smoked drug plants. Cannabis, the source of marijuana and hashish, was introduced to eastern Africa from southern Asia, and dispersed widely within Africa mostly after 1500. In sub-Saharan Africa, cannabis was taken into ethnobotanies that included pipe smoking, a practice invented in Africa; in Asia, it had been consumed orally. Smoking significantly changes the drug pharmacologically, and the African innovation of smoking cannabis initiated the now-global practice. Africans developed diverse cultures of cannabis use, including Central African practices that circulated widely in the Atlantic world via slave trading. Tobacco was introduced to Africa from the Americas in the late 1500s. It gained rapid, widespread popularity, and Africans developed distinctive modes of tobacco production and use. Primary sources on these plants are predominantly from European observers, which limits historical knowledge because Europeans strongly favored tobacco and were mostly ignorant or disdainful of African cannabis uses. Both plants have for centuries been important subsistence crops. Tobacco was traded across the continent beginning in the 1600s; cannabis was less valuable but widely exchanged by the same century, and probably earlier. Both plants became cash crops under colonial regimes. Tobacco helped sustain mercantilist and slave-trade economies, became a focus of colonial and postcolonial economic development efforts, and remains economically important. Cannabis was outlawed across most of the continent by 1920. Africans resisted its prohibition, and cannabis production remains economically significant despite its continued illegality.

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Disease Control and Public Health in Colonial Africa  

Samuël Coghe

Disease control and public health have been key aspects of social and political life in sub-Saharan Africa since time immemorial. With variations across space and time, many societies viewed disease as the result of imbalances in persons and societies and combined the use of materia medica from the natural world, spiritual divination, and community healing to redress these imbalances. While early encounters between African and European healing systems were still marked by mutual exchanges and adaptations, the emergence of European germ theory-based biomedicine and the establishment of racialized colonial states in the 19th century increasingly challenged the value of African therapeutic practices for disease control on the continent. Initially, colonial states focused on preserving the health of European soldiers, administrators, and settlers, who were deemed particularly vulnerable to tropical climate and its diseases. Around 1900, however, they started paying more attention to diseases among Africans, whose health and population growth were now deemed crucial for economic development and the legitimacy of colonial rule. Fueled by new insights and techniques provided by tropical medicine, antisleeping sickness campaigns would be among the first major interventions. After World War I, colonial health services expanded their campaigns against epidemic diseases, but also engaged with broader public health approaches that addressed reproductive problems and the social determinants of both disease and health. Colonial states were not the only providers of biomedical healthcare in colonial Africa. Missionary societies and private companies had their own health services, with particular logics, methods, and focuses. And after 1945, international organizations such as the World Health Organization (WHO) and the United Nations Children’s Fund (UNICEF) increasingly invested in health campaigns in Africa as well. Moreover, Africans actively participated in colonial disease control, most notably as nurses, midwives, and doctors. Nevertheless, Western biomedicine never gained hegemony in colonial Africa. Many Africans tried to avoid or minimize participation in certain campaigns or continued to utilize the services of local healers and diviners, often in combination with particular biomedical approaches. To what extent colonial disease control impacted on disease incidence and demography is still controversially debated.