Final answer:
Overnutrition refers to the excessive intake of nutrients and is a critical nutritional problem leading to obesity, which is connected with severe health complications like type 2 diabetes and cardiovascular disease.
Step-by-step explanation:
The question seems to mistakenly refer to 'an overfeeding metering device,' which could suggest a discussion about mechanical systems, but the context given is about human overnutrition. In the context of health, overnutrition refers to an excess intake of nutrients resulting in health issues.
This condition is a significant nutritional problem in developed countries, usually resulting from consuming more energy than the body expends through physical activity. Overnutrition frequently leads to individuals becoming overweight or obese, which is a state of having excess body fat. Obesity is linked with numerous health issues, including metabolic syndrome, cardiovascular disease, type 2 diabetes, and certain cancers.