5 Side-Effects Of Ice Creams You Should Know5 Side-Effects Of Ice Creams You Should Know1. Even small serving of ice cream contains 1000 calories, so ice creams lead to weight gain. 2. Ice creams contain saturated fats which can cause heart issues. 3. Excessive consumption of Ice creams can cause tooth decay and damage your gums. 4. The carb-heavy food will lead to an increase in belly-fat. 5. Ice creams can cause indigestion and bloating and leave you feeling sluggish.