Complex sentence: Andrew Stimpson (born 1980 in Largs, Scotland), former cover boy and centrefold of "Euroboy" magazine, is a British man who tested negative for HIV fourteen months after an initial test returned a positive result.
Split into simpler sentences: Andrew Stimpson (born 1980 in Largs, Scotland) is a British former model, who was once cover boy and centrefold of "Euroboy" magazine. He tested negative for HIV 14 months after an initial test returned a positive result.