[kranner]

It's a fair assumption being a known potential cause of death. Of course I'm now assuming death is bad.

[kataklasm]

By that argumentation sport is bad and a potential death risk factor, it also elevates heart rate and blood pressure!

[parineum]

It has substantially more benefit than that risk. Physical exertion also has the added benefit of lowering rest hr and bp.

[johnisgood]

Yeah! I added that as an example and then edited it out.

Your parent's comment makes no sense.

Water can kill you, too! It does not mean that drinking water is bad.

[literalAardvark]

I think you'd be surprised how often doctors still say that

[brookst]

Not to mention art, sex, walking, etc, etc