And there are even more categories really. - Overweight, unfit, and sitting/standing for long periods. - Unfit and sitting/standing for long periods but not o

And there are even more categories really. - Overweight, unfit, and sitting/standing for long periods. - Unfit and sitting/standing for long periods but not overweight. - Sitting/standing for long periods but not overweight or unfit. If obesity was the only health-related issue you could just eat less. If Obesity and unfitness were the only issues you could just get some exercise outside of work hours. And if all three are an issue you'd want to keep active as much as possible during work (although not too much... because physical labour jobs hurt people's health too).