Friends support the immune system

Extrovert with a lot of friends do not put on so quickly when exposed to a virus, "says psychologist Sheldon Cohen. But that is not that sociable people immune from their frequent dealings with others are against viruses. There is much more to her personality, who has many good friends, a great social network and nice colleagues and acquaintances is, according to Cohen less susceptible to diseases and living longer.

This is possibly because that extroverted personalities faster contact with problems to others and ask for help. They reduce stress, which is upon them and the long term weakens the immune system. Less stress hormones, low blood pressure and calm play their part in ensuring that sociable people are diagnosed less frequently. Who problems "to himself eats", ill be faster. "In theory that may well be possible, but there is no officially recognized study on it, " says Hannelore Weber of the University of Greifswald.