Final answer:
According to the CDC's worst-case projections, by 2050, 30% of the US adult population is expected to have diabetes, with type 2 diabetes comprising the majority of these cases.
Step-by-step explanation:
The proportion of the US adult population projected to have diabetes by the year 2050, according to the worst-case projections by the Centers for Disease Control and Prevention (CDC), is 30%. With type 2 diabetes being the most common form, accounting for about 90% of all diabetes cases and lifestyle factors such as diet and physical activity being significant contributors, this projection is a call to action for public health initiatives.
Currently, a considerable number of Americans are living with type 2 diabetes or pre-diabetes, which can potentially lead to long-term complications like loss of eyesight, heart disease, and kidney failure. It is crucial to address these health issues through preventive measures like a healthy diet, regular exercise, and maintaining a normal body weight to mitigate this growing health concern.