Reading and accessibility

Adjust the reading size

Standard body text is 22 pixels. The Larger text button changes it to 26 pixels, including the supporting source text and qualifications. The button then offers Standard text to return to the smaller setting. The choice is temporary and resets on reload; browser zoom remains available as a separate control.

Long titles, links and record details are intended to wrap within the page. The cool surfaces use dark text, with visibly underlined links. Navigation and standalone controls have generous targets; the site does not rely on a color alone to convey the text-size setting.

Read the complete context

The label-context reader keeps all four records open. Each includes what the label declares, what the source covers, what remains unresolved and a question to take forward. No tooltip, accordion or personal answer is needed to reveal those limits.

Topic links and return links move to named locations on the page. Keyboard users can follow these links and the skip link to the main content. Article headings, named source citations and related links provide other routes through the material. Reading the fixed content does not require JavaScript.

What this statement does not certify

These features describe the publication's reading approach. They are not a guarantee that every browser, assistive technology or linked external document behaves identically, nor a claim of independent accessibility certification. A manufacturer page or source PDF may use different navigation and text controls.

The library provides a text route to all articles, while the source register names the underlying records. Our privacy page explains the temporary text-size setting and local search behavior. Neither control collects health information or changes the evidence presented.