A new study is the first to analyse weight changes in adults and their effects on lung function over a 20-year period.
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What influences the size of our network of contacts?
Editorial office, 13 January 2020
- The circle of family members and close friends consists of some 23 people. That of acquaintances, despite being traditionally less valued, also has the capacity to offer emotional and economic support.
- The majority of the population have an habitual relationship with around 400 acquaintances, but there is a great variability between people. In more extreme cases, acquaintances may number dozens or several thousand.
- In addition to participating in associative organisations, there are factors associated with a greater social life. Being a man, being young, having a job, higher education and economic resources are some of them.