Hamilton's rule gives the conditions for altruism to evolve as rB > C, where r is the relatedness of the focal individual to the relatives it helps, B is the benefit of the behaviour to relatives and C is the cost of the behaviour to the focal individual (Hamilton 1963; Bourke 2014).
It helps in evaluating the relative significance of variables that influence the process [40].
But the review also said they had found evidence that when the LCP was used correctly and in consultation with the patient and their relatives it could help ease the dying process.
When the trip is to visit friends or relatives, it can help to ask hosts to put medications, cleaners or other potentially dangerous items out of reach before toddlers arrive in the house, Clark added.
The film was among the biggest box office hits of the silent era, and it helped make relative newcomer and one-time local resident, Rudolph Valentino, an international superstar.
Supporters say it helped their relatives have a peaceful and dignified death.
That was Cambodia's undoing last year, and could yet be Myanmar's next.Mr Lim believes that Brunei's relative obscurity should help it practise the "quiet diplomacy" that everyone agrees is needed to repair the breach with China.
While the relative affordability certainly helps low income households, state residents are still quite poor.
"A relative helping another relative became an individual helping its genes in the body of another individual, thereby maximising its own 'inclusive fitness'," writes Wilson.
She generously offered help when her husband's relatives needed it; she helped arrange the wedding when one of his cousins got married and housed another cousin when he came to Beijing for his visa interview.
