why some people can keep fit by just walking yet others ne lots of running around

6 answers

It would depend on individual differences, age, health status, and so on.
It depends on the person's age health and sizes👦
Some people have a higher metabolism (genetically) than others, and do not require much activity to stay fit. Diet. Weight loss/weight maintenance has a lot to do with diet. Stress/Impact on Consistency. Walking is low-impact and low-intensity.
Some people have a higher metabolism genetically than others, and do not require much activities to stay fit. SCIENCE ACADEMY
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