[header] How to help a teenager lose weight [title] Involve the whole household in developing healthier habits. [step] Your teen is more likely to be successful in their weight loss journey if others in their environment are working to be healthier, too. Try to have as many people in your house as possible participate in eating healthy and making better choices. 
[substeps] Try to have your family sit down for healthy, balanced meals at least once a day. Encourage more physical activity by offering to do things like take a family walk after dinner or go for hikes during the weekend.