Johnson & Johnson's business is growing at a decent rate, but there's still a fair bit of risk surrounding the company.Johnson & Johnson (JNJ -0.25%) is focusing on the next iteration of its business -- one that investors hope creates a lot more growth than in years past. The company spun off its consumer health business last year, and with just two main segments moving forward -- medical devices and innovative medicines -- J&J could be in a good position to accelerate its growth rate.But investors don't ap ...