article_snippet: Discovery was made by analysing the lengths of telomeres - caps at the end of each strand of DNA - regarded as important signs of ageing and stress in many species, including humans.
article_snippet: Discovery was made by analysing the lengths of telomeres .
article_snippet: In young humans, telomeres are about 8,000-10,000 nucleotides long.
article_snippet: Also the team was able to rule other factors that could possibly influence telomere length such as abundance of food - which could be linked to better overall health.
article_snippet: the team was able to rule out factors that could possibly influence telomere length such as abundance of food .
article_snippet: The fact that there is variation in telomere length when prey abundance is constant means that there are other factors we need to find. '
highlights_snippet: Discovery was made by analysing the lengths of telomeres .
  