"inappropriate diet" is correct and usable in written English.
It typically refers to a diet that is unhealthy or not suitable for a particular person's lifestyle. For example, "John's doctor suggested he change his inappropriate diet to include more fruits and vegetables."
Signs of an inappropriate diet in captivity include tooth decay, diabetes, obesity, and kidney failure.
While maternal high-fat diets have been often reported to program obesity in offspring [15] [19], discrepant results obtained in rodents may be related to the choice of the strain, the litter size and the composition of the inappropriate diet promoting maternal obesity, mimicking the features of hypercaloric foods available in modern societies [20], [21].
An inappropriate diet demonstrated the highest risk factor to exacerbate the glycaemic control.
Inappropriate diet may contribute to one third of cancer deaths [51].
Most health problems are likely to arise from inappropriate diet or as a consequence of over-eating and insufficient sleep.
Parents of OWC seemed to have less strong beliefs about inappropriate diet and too little exercise being causes of overweight in children.
He urges others to do the same: "Most of the meat we eat comes from industrially farmed animals who lead miserable lives and are fed on inappropriate diets".
The literature provides ample documentation on inappropriate dieting behaviors associated with weight class sports [47] [50].
The causes of malnutrition are complex, yet all forms of malnutrition share one common feature: nutritionally inappropriate diets.
Children aged 6 to 29 months are the most affected by malnutrition, which corresponds to the period during which infants move from breast milk to often inappropriate diets.
In developed countries it is often related to inappropriate diets or eating disorders while in developing countries, chronic ill health and food scarcity contribute to malnutrition [ 5].
