The issue is that soft drinks are generally bad for cardiovascular health, whether sugar sweetened or not.
https://doi.org/10.1001/jamainternmed.2019.2478
Plausible mechanism is that acidic drinks cause tooth enamel degradation, and poor dental health is a known risk factor for cardiovascular disease.
https://doi.org/10.1093/eurheartj/ehy836
The issue is that soft drinks are generally bad for cardiovascular health, whether sugar sweetened or not.
https://doi.org/10.1001/jamainternmed.2019.2478
Plausible mechanism is that acidic drinks cause tooth enamel degradation, and poor dental health is a known risk factor for cardiovascular disease.
https://doi.org/10.1093/eurheartj/ehy836