Just as we are what we eat, the information we consume shapes the people we become and the quality of the lives we lead. Yet today, people increasingly rely on social media, not trusted news sources, to understand the world around them. Algorithms, not editors, decide what we see and the relentless pursuit of our attention has created platforms that are awash with low-quality content that can be harmful or misleading. Globally, this is taking a toll - studies suggest prolonged social media use can fuel a range of mental health issues.