Friends forever

Strong relationships are said to have great health benefits: a review of studies into the impact of relationships on health found that people had a significantly lower risk of mortality if they belonged to a wider social group , be it friends, neighbours, relatives or a mix of these. These days, with the advent of social networking websites, the concept of friendship can seem slippery. Are you clear about who your friends really are? Would you say you had a wide social group? Or are you happy to dice with death as a loner?