A primary school teacher may be exposed to a lot of germs in the workplace, putting them at greater risk of getting, ill which can lead to dehydration, weight loss or other health complications.
A patient in a hospital cannot travel or move around as much, so they must rely on the hospital to provide them with food for energy and nutrition, which may vary in quality.
People on holiday may eat more, and eat less healthily as a treat, leading to greater intake of fats and carbohydrates that can cause health complications.