When we think of health problems in Africa, we generally focus on infectious diseases (such as HIV and malaria), malnutrition, and maternal and childhood mortality. By contrast, non-communicable diseases (NCDs) such as obesity, heart disease and cancer are frequently referred to as 'diseases of affluence', and thus thought only as a problem of rich, developed countries.
It's one of the cardinal rules when you're interviewing - detach yourself from the interviewee. Ask questions, take notes, but never get emotionally involved in the story. To put it simply, it isn't professional to have a vested interest in the person's life. I've always upheld this rule, that was until I met Nanjeke.