Multiple reports say doctors are warning about misleading advertisements that target men who feel tired, report weak erections, or struggle with stubborn belly fat. The articles note that promotional content presenting possible explanations for these symptoms has appeared on London Underground advertising and across social media feeds. The concern, as described by the sources, is that such ads may encourage people to self-diagnose or pursue unverified solutions rather than seeking medical assessment. While the articles focus on the marketing claims and the public messaging around them, they also frame the issue as a health risk: symptoms like persistent fatigue, erectile problems, and changes in body composition can be associated with a range of underlying medical conditions. The reports emphasize that people should be cautious about relying on ad-driven explanations and instead consult healthcare professionals for proper evaluation and treatment. The outlets do not present specific details on the exact conditions referenced in the advertisements, but they agree that these campaigns are widespread and that clinicians are urging consumers to avoid potentially incorrect guidance.