[mclouts91]

You need to realise that weight bearing exercises (this means running, walking etc) are good for bone health. Low impact activities like cycling don’t give your bones the right stimulus to stay strong. And as the other commenter has said, the impact damage is probably in the minds of people who say that running does then damage but in reality it doesn’t do damage, it is actually a benefit to bones and joints.

[FartyMcFarter]

It's a benefit if you do it properly and don't overdo it. The poison is in the dose and intensity.

[igouy]

"Often when trying to get into exercise, we can overdo it, feel defeated and give up when we're just getting started.

Couch to 5K works because it starts with a mix of running and walking to gradually build up your fitness and stamina."

"Get running with Couch to 5K" website

[igouy]

What on the "Get running with Couch to 5K" website suggests to you not doing it properly or overdoing it ?

Seems like you are scaremongering.