It goes without saying that soda is bad for you: It doesn’t matter how old you are. But when you start moving past your 40s, your body stops processing the poisons efficiently. Apart from the sugar content of fizzy drinks, which is already way more than the recommended daily allowance. Colas have other toxic chemicals as well.
The main culprit, 4-methylimidazole (4-MEI), is the caramel colorant found in most colas. Recent studies have shown it is connected with a higher risk of developing cancer.
When you near your 40s, you might not necessarily want to have kids any longer, but if it’s still a possibility, you should lay off the fizz. A 2018 study in the Journal of Epidemiology showed that men or women who drink fizzy drinks have a much lower fertility rate than those who abstain.