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Researchers have [discovered / discovery] that swearing and using bad or profane language can increase one's [physically / physical] strength. The researchers are from Keele University in England. They conducted tests [in / on] 81 people to see the effect [swearing / sworn] had on their physical performance. In one test, [participates / participants] did a short, intense workout on an exercise bike. Some people were asked to swear as [many / much] as they could before they [starting / started] their workout, while others were told to be [quiet / quietly] . In another test, participants were told to grip the bike's handlebars as [tightly / tight] as they could. The researchers found that the groups who swore a lot, cycled or gripped three to four per cent more powerfully [than / that] the tight-lipped group.

Past research also [shows / showing] that swearing helps to increase our tolerance to [paining / pain] . A 2009 study discovered that swearing [leaded / led] to an increased heart rate and higher levels [for / of] adrenaline - these help to [numb / numbed] pain. This perhaps explains why so many of us swear when we hurt ourselves. Another study found that swearing was a sign of [honest / honesty] because people who swear frequently are believed to be better [at / to] self-expression. Dr. Richard Stephens, lead researcher of the Keele study, said he was at a [loss / lost] to explain why swearing affects the body. He said: "Quite why it is that swearing has these [affects / effects] on strength and pain tolerance remains to be discovered. We have yet to understand the power of swearing [fluffy / fully] ."