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From [supportive / supports] friendships to toxic colleagues, our relationships can shape our stress levels more than our jobs, [fiancés / finances] , or even our diet and health habits. A new study suggests that who we [surrender / surround] ourselves with can negatively [affect / effect] our [longevity / longing] . Scientists at Indiana University in the USA conducted a study on how the people around us can impact the stress [on / in] our lives. The researchers focused on the effect people called "hasslers" had [in / on] us. A hassler is an annoying [individual / individually] who regularly hassles us. Lead researcher Professor Brea Perry said, "having more hasslers is associated with [accelerated / acceleration] biological aging...and how much wear and [tear / fear] people have on their body".

The study is [publication / published] in the journal PNAS. Researchers questioned participants about the [difficulty / difficult] relationships in their lives to [identity / identify] hasslers. Dr Perry found around one third of the participants had at [last / least] one hassler in their social network. She said about 10 per cent had at least two [hassles / hasslers] . She suggested that each additional hassler was associated with a 1.5 per cent faster [apace / pace] of aging. Perry added: "It can actually [give / take] days for that stress response to drop and [for / by] your body to go back to normal." She highlighted the [reverse / adverse] effects of accumulated stress from hasslers, saying: "When you experience that chronically, over and [under / over] again, it has this long-term effect on the body."