Is Cycling bad for you ?

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Cheers and the bits I could understand obviously relates to running which I presume causes greater issues than cycling due to the impact nature ?

I don't think there is anything specific about running or about impacts.

It basically says that doing lots (and lots and lots) of exercise makes your heart change and this may, in some people, perhaps, change the way it conducts the electrical impulses that make it beat in a steady way.

It also says you'll live longer than folk who don't exercise and can bore them to death by telling them so.

The trouble with life is that has been proved to cause death in 100% of cases.

If cycling was proven to be bad for our health how many of us would give it up?

My resting HR is around 42-47 ( I'm 41 years young), I do a stressful job but my blood pressure is spot on. My heart doesn't have to work as hard as someone's who spends all day on the Xbox. This is down to cycling. That's all the evidence I need to know it's a good thing. I've had some big crashes/injuries from mtbing, and I will suffer later in life but I wouldn't change a bloody thing. I'd rather die living than live dieing.

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3538475/

is probably the research your cardiologist is talking about.

dunno about it being bad for me, but over the last 40 years(35 of them racing) I've managed to break 3 wrists, 4 ankles, countless ribs, 9 skull fractures, 2 vertebrae, and a arm that has more titanium than most bikes. I've also met the mrs, and I'm constantly skint from lusting after shiny-shiny bike porn.. as is her indoors... plus a rather big strava kom addiction

But, I look a lot younger than most of my mates, and I don't have as many health problems as they do... and if someone reckons that sitting on the sofa will make me healthier, as opposed to riding, than he has fook all idea about the joys of cycling or any form of exercise. wouldn't surprise me if said article was sponsored by the FBATFOSC*

*Fat B@stards Association To F#ck Over Skinny Cnuts

Research shows exercise is good for you. Cycling and swimming are particularly good due to there being little impact shock. Anyone who says anything else is, frankly speaking, talking utter b******s.

Well if cycling is as bad as sitting on the sofa stuffing my face, I'd rather be happy and on my bike than sitting in front of the box....
It also helps me massively with concentration, riding in the days leading up to an exam really helps stress and concentration.....which could have health benefits not measured in this single study

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Researcher Jacob Louis Marott, from the Frederiksberg Hospital in Copenhagen, said: "You don't actually have to do that much to have a good impact on your health.

"And perhaps you shouldn't actually do too much.

"No exercise recommendations across the globe mention an upper limit for safe exercise, but perhaps there is one."

I think the key word here is 'perhaps' and perhaps there isn't an upper limit?

However I do believe a significant number of long term veteran racing cyclists have developed irregular heartbeat issues. Not sure of the correct term.

Depends on averages. If you train hard but also rest properly then increased fitness can only be a good thing. It doesn't exempt the fittest people from dying from some other disease, being fit/healthy lifestlye reduces the chance of it. Personally I would rather be fit and drop down dead from a heart attack than wither away from cancer because I was unfit.