How much exercise is required a day ?
The magical number seems to be: 30
30 minutes of medium to intensive exercise a day can work wonders for the well-being and health of the average adult aged 18-65 years.
For the young people the number is a bit higher.
For childen aged 5-17 years og age the magical number turns out to be 60 minutes a day.
so just get out there and do it!