Buy a Reusable Water Bottle

 

Before you begin the habit of refilling your water bottle several times a day, make sure yours isn't laced with BPA. A Harvard study found that adults with the highest concentration of BPA in their urine had significantly larger waists and a 75 percent greater chance of being obese than those in the lowest quartile. No wonder why drinking out of plastic bottles is one of our 40 Bad Habits That Make You Fat! To avoid weight gain, make sure your bottle is BPA-free and be particularly wary of plastics that sport a #7 recycling symbol on them, which is an indicator that BPA may be present.