This scatter plot shows the relationship between a patient's age and their lung capacity, with each point colored or positioned to reveal patterns across the dataset. It loads CSV data from a GitHub gist, parses it with `d3.csv`, and maps the `Age` and `LungCapacity` fields to x and y axes using `d3.scaleLinear` and `d3.extent`. The React-based component, built with React's `useState` and `useEffect`, calls `d3.axisBottom` and `d3.axisLeft` to render axes and includes an interactive tooltip via `d3.select` that displays the patient's age, lung capacity, and disease type on mouseover.