<qa>  How many transitional shelter residents will be recruited to participate in the proposed study?Study Overview. The proposed study will take place at The Bridge homeless shelter in Dallas, TX. The study intervention will use a randomized controlled trial design, and an additional 50 transitional shelter residents will be recruited to participate in the proposed 8-week study 4-week intervention; 4-week post-intervention follow-up visit. Transitional Shelter residents stay in semi-private rooms for an average of 5 months while staff works to secure more permanent housing. Interested and eligible participants will be randomized to either 1 a 4-week shelter-based diet or physical activity intervention, or 2 standard care paid assessment only. Participants will be asked to complete weekly assessments of diet, physical activity, stress, readiness to change, and other relevant variables throughout the 4-week intervention period, in addition to a 4-week post-intervention follow-up. Participants will be compensated with gift cards for each of 6 visits. Participants assigned to the control group will receive tailored newsletters and pedometers with walking goals at the final follow-up visit. Laptop and tablet computers equipped with Questionnaire Development System software will be transported to the shelter for all intervention and assessment sessions. 