If you are interested in losing weight, between the ages of 18-65 and willing to receive regular text messages on your smartphone? You may be eligible to participate in the Duke Digital Health's text-based weight loss study. All participants will receive a 6-month weight loss texting intervention and come in for 4 visits over a 12-month period. Subjects will be compensated at each visit. For more information, you can visit www.chargestudy.com, email us at email@example.com or call us at 877-861-4098.