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黄色直播 the author: is Associate Professor in the Department of International Development Studies at 黄色直播.

Research in medicine, psychology and neuroscience demonstrates the powerful effects of love on our physical and mental health.

Feeling loved and being able to express love for others are linked to the reduction of , anxiety , improved functioning of , reduced , improved , increased and feelings of positive self-esteem, happiness and .

A multi-decade found positive links between perceptions of being loved during childhood and reduced incidence of multiple diseases associated with middle age. Research using data from the Canadian National Population Health Survey found that perceptions of being loved had a greater positive impact on human health than the .

The negative impact of a loveless life

Extensive research also highlights very serious negative effects of not being loved, particularly for children.

of 551 studies conducted over 41 years, from 1975 to 2016, on five continents involving a total of 149,440 respondents found strong causal connections between a lack of parental love and 鈥減sychological maladjustment of children and adults regardless of differences in races, ethnicities, cultures, age [and] gender.鈥�

The same review concluded that 鈥渃hildren who feel unloved are likely to develop a pattern of psychological maladjustment and personality dispositions including hostility/aggression, dependence, low self-esteem, low self-adequacy, emotional unresponsiveness, emotional instability, negative worldview, anxiety and insecurity.鈥�

The power of love seems to be based on its role in reducing chronic stress by triggering that have positive effects on stress reduction, incuding endorphins, endocannabinoids, endogenous morphine, dopamine, vasopressin and oxytocin.

By helping to reduce chronic stress, love can also reduce in the human body, which reduces risk of illnesses and disease.

Why don鈥檛 governments focus on love?

Given all the evidence of the importance of love for our well-being, why don鈥檛 governments take love more seriously?

In some ways, they already do 鈥� for example, through provisions of family law that require cooling-off periods before couples can marry or divorce, or before parents can put their children up for adoption.

Governments probably can鈥檛 make people better lovers 鈥� and most of us probably hope they won鈥檛 even try. As former Canadian prime minister famously commented: 鈥淭here鈥檚 no place for the state in the bedrooms of the nation.鈥�

However, governments around the world can and do pass laws and implement policies that undermine the capacity of many people to love and feel loved, with serious long-term impacts on their physical and mental health and associated costs for public health-care systems and economic productivity.

Pause for a moment to reflect on the stories of residential school survivors in Canada and the impact of the denial of love on their own capacity to love. As explained:

鈥淏ecause of that experience, us survivors never learned how to live as a loving family because we were separate from our family.鈥�

Residential schools no longer operate in Canada, but the of Indigenous children from their parents by child protection services across the country points to ongoing policies that undermine the ability of both children and parents to love and feel loved.

Love devalued

Or consider the separation of children from their parents at immigration detention centres in the southern United States, which psychologist describes as a 鈥渄evaluation of love.鈥�

Solomon also studied the long-term negative health impacts on British children who were separated from their parents as safety precautions from bombing raids during the Second World War found widespread evidence of 鈥減ermanent emotional scarring.鈥�

More than 70 countries around the world also . Anti-LGBTQ+ laws don鈥檛 make love impossible, but they do make it harder 鈥� and much more dangerous 鈥� to express.

A growing number of governments around the world (including some Canadian provinces) as an economic development strategy that separates workers from their family and loved ones.

It鈥檚 still possible to blow kisses on Facetime or Skype, but anyone in a long-distance relationship knows that it doesn鈥檛 feel the same as the real thing. Medical research shows that prolonged separation from the people you love can also have serious health effects.

As a folk song about Mexican labour migrants made famous in the film wistfully lamented: 鈥淣ow that I鈥檓 so far from you, I live without light and love; And seeing myself so lonely and sad like a leaf in the wind, I want to cry, I want to die of sorrow.鈥�

Love matters. A lot.

This Valentine鈥檚 Day, governments around the world need to reflect on how laws and public policies may undermine people鈥檚 capacity to love and be loved 鈥� and the long-term costs of lost love for public health and human happiness.

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