Drinking soda likely increases the risk of obesity, diabetes and heart disease significantly. This according to a just published review of the available science, from Harvard school of public health.
The Telegraph: One can of fizzy drink daily 'can increase heart attack risk by a third'Of course the effect of soda drinking on heart disease is still mainly based on statistical data, so there's a lot of uncertainty to the size of the effect. But anything that leads to obesity and diabetes likely increases the risk of heart disease too, so it makes perfect sense.