Behaviour change communication (BCC) remains a central component of the interventions used in the fight against malaria in Ghana. However, there is limited evidence of its effectiveness. This study evaluated the effects of BCC strategies on knowledge (symptoms, causes and prevention) and overall knowledge of malaria among Ghanaian women aged…

One of the crosscutting concepts in science is cause and effect. A disease model can provide understanding of cause and effect, as teachers scaffold student thinking from molecular changes in the DNA to visible traits in the organism. The project described in this article uses Pompe disease, a rare recessive disorder, as a model of cause and…

Today scabies, an ectoparasitic skin disease caused by the mite "Sarcoptes scabiei" variety "hominis", is estimated to infect over 300 million humans worldwide. Scabies most frequently occurs among children and young adults. Outbreaks in child care facilities and schools are common. Scabies affects all socioeconomic classes and races. Students…

The current studies explore causal models of heart attack and depression generated from American healers whom use distinct explanatory frameworks. Causal chains leading to two illnesses, heart attack and depression, were elicited from participant groups: registered nurses (RNs), energy healers, RN energy healers, and undergraduates. The…

Background: Noise-induced hearing loss is a major cause of deafness and hearing impairment in the United States. Though genetics and advanced age are major risk factors, temporary and permanent hearing impairments are becoming more common among young adults and children especially with the increased exposure to portable music players. Though…

The Surgeon General's information material on the Acquired Immune Deficiency Syndrome (AIDS), which was mailed to every household in the United States, was used to develop an AIDS Awareness Inventory. The inventory was designed for administration to 182 high school students enrolled in schools in three districts, which have adopted an AIDS…

The scourge of emerging parasitic diseases (e.g., urinary schistosomiasis, ascariasis, malaria, chagas disease, leishmaniasis, trachoma, trichiuriasis, taeniasis, dracunculiasis, sleeping sickness, filariasis) causes tremendous pain, suffering, and eventually death in tropical African communities. Patterns of transmission of these emerging…