By Robert Preidt, HealthDay Reporter
SUNDAY, June 28, 2020 (HealthDay News) – Genetics play an important role in affection for women, but this does not apply to men, as new research shows.
“When we measure people’s tendency to be loving and to get affection from others, we almost invariably find that women score more points than men,” said study director Kory Floyd. He is a professor in the communications department at the University of Arizona at the College of Social and Behavioral Sciences.
For the new study, Floyd’s team assessed differences in the affection of 464 adult pairs between the ages of 19 and 84. About half were identical twins and the other half were fraternal twins.
In women, genes account for 45% of the variability in loving behavior, while environmental factors such as media, personal relationships and other unique life experiences explain 55% of the variability.
However, genetics do not appear to affect men’s loving behavior. This appears to be influenced solely by environmental factors, according to the report recently published online in the magazine Communication monographs.
It is not known why loving behavior appears to be inheritable in women but not in men. However, previous research has shown that men express less overall affection than women, Floyd said in a university press release.
“The quality of being loving can be more adaptable for women in the evolutionary sense. There is some speculation that loving behavior is healthier for women than for men, and that it helps women manage the effects of stress better than this Part of the reason why women, rather than men, inherit the tendency to behave rather than being a product of their environment, “he said.
The study also found that the twins’ shared environment – like their upbringing or socio-economic background – had little impact on how loving they were. Instead, unique environmental factors (for example, an individual’s friends and experiences, apart from their twin) had a greater impact.
“It’s not exactly what we would expect, but for many behaviors and personality traits – including your affection – what twins do and experience differently in their lives plays a much larger role than anything they experience together,” said Floyd.
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