Parkinsonâs Disease (PD) is a chronic, progressive disorder that affects nerve cells deep in the brain responsible for planning and controlling body movement. Dopamine is a chemical used in body movement.
Chart.js is a JavaScript library that allows you to draw different types of charts by using the HTML5 canvas element. Since it uses canvas, you have to include a polyfill to support older browsers. The one suggested by the author is ExplorerCanvas, so you may want to stick with it.
A Safety Data Sheet (SDS) is an excellent source of chemical information. The SDS is a technical bulletin containing information about a hazardous chemical. OSHA requires vendors to supply an SDS for each hazardous material shipped.