Replacing saturated fat with healthy fats is the main dietary step people take to improve cholesterol and triglyceride levels. But according to a study published in February in the Journal of the American Heart Association, avoiding soda may also have a positive effect. Researchers from Tufts and Boston universities wanted to explore how people’s intakes of different beverages might affect dyslipidemia, an unhealthy imbalance of cholesterol and triglycerides in the blood that increases the risk of heart disease. They looked at just over 12 years’ worth of data from about 6,000 adult participants in the Framingham Heart Study, a long-term,...