The provided content includes a range of academic articles and online resources related to food choices, body mass index (BMI), and obesity in teenagers. The articles explore various aspects such as the impact of fast food on obesity, consumer preferences, and the role of marketing strategies. Additionally, there are questionnaires designed for health-care practitioners in South London to gauge their opinions on teenage obesity and its relation to easy access to fast food restaurants like McDonald's. Overall, the content appears to be focused on understanding the factors contributing to obesity among teenagers and exploring potential solutions.