Watching Sir David Attenborough's nature programmes could boost your sex life, according to new research.

TV shows like Planet Earth, Springwatch and Countryfile make viewers more confident about their bodies - combating insecurities over appearance, say scientists.

It follows a previous study by the same team that showed a brisk walk in the park improves people's self-esteem.

Now the phenomenon has been found to work just by seeing plenty of plants, flowers and trees - on the box.