So when Maria and Larry become acquainted later in the day they already have a common interest.But more than that, they find they like each other. When Chloe is lying in bed asleep as her mother looks over her, Chloe's head changes position from one edit to the next, first with her head turned downward on the pillow, then with her head turned upward next."These are not the results we expected to find," Stefansson said in a telephone interview.

See full summary » Legal secretary Maria is married to car salesman Tom.

Dance teacher Larry is married to the striking Tish. Tom and Tish meet at the wedding and waste no time taking more than a test drive in his BMW.

See more » Well made American rendition of the 1975 French farce, "Cousin-cousine," with Danson and the enchanting Rosselini playing cousins by marriage who meet at a wedding, develop a relationship and then fall in love.

Wonderful performances from Lloyd Bridges and Norma Alejandro help move this glorious film along that glows with humor, warmth and the sheer joy of life.

Past research has revealed "strong evidence that couples who were first cousins married earlier and were less likely to use contraception, the wives had their first child earlier, and they continued child-bearing at later ages," Bittles told Live Science.

Forbidden Love The newly discovered positive link between closely related couples, called consanguinity, and offspring is clouded by social norms.

"It could be argued that in human populations there is a point of balance between the disadvantages associated with inbreeding versus those with outbreeding," said Alan Bittles, director of the Center for Human Genetics at Edith Cowan University in Western Australia. A Family Affair Stefansson and his colleagues studied more than 160,000 Icelandic couples going back 200 years, starting with those born in 1800, using the de CODE Genetics genealogical database.

Stefansson has served as president and chief executive officer of de CODE since he co-founded the company in 1996.

A similar urban shift is happening across the globe.

In 2008, for the first time in history, more than half the world’s population will live in towns and cities, according to the United Nations.

This is not what I expected, but it only goes to show how incredibly complicated nature is." The "ick" factor associated with marrying a close relative has a long history.