Final answer:
The percentage of adolescents and young adults in Kenya with schizophrenia-like experiences is not specified, but studies show varying development rates of schizophrenia based on genetic and environmental factors, underlying the complexity of this severe mental health condition.
Step-by-step explanation:
The specific percentage of adolescents and young adults in Kenya who have had one or more schizophrenia-like experiences is not provided in the information given. However, studies into schizophrenia have shown various rates of occurrence based on genetic and environmental influences. For instance, among adoptees with a high genetic risk of schizophrenia due to having a biological mother with the condition, those raised in disturbed family environments had a 36.8% likelihood of developing schizophrenia.
In contrast, high genetic risk individuals in healthy family environments had a rate of 5.8%. Adoptees with a low genetic risk had even lower rates of developing schizophrenia, at 5.3% in disturbed environments and 4.8% in healthy ones. These findings highlight the impact of both genetics and environment on the development of schizophrenia, a serious mental illness that often begins in late adolescence or early adulthood. Schizophrenia involves symptoms such as hallucinations, delusions, and a compromised ability to determine reality, with treatments typically requiring lifelong medication.