Be based on at present the medical group research to depressed disease knows extent, cannot prove whether its have transmissibility. Although already discovered in research of some a few twins, the one class relative of depressed disease patient (include sister of parents, child, brother) sicken risk wants tower above than average person 2 to 3 times, but this is indemonstrable,be the action since genetic place.
Because come from psychology,say, the environment that place of a person grows, especially the disposition that domestic environment can affect this individual, and the thinking mode in disposition, way that handles an issue and manner can affect depressed disease come on. Accordingly, be in same the relative with a domestic medium atmosphere often is met interact, form similar disposition feature and psychological mode, showed this kind of phenomenon thereby.
And, of depressed disease come on concern with acquired environment of the individual and experience, not be to say to come from the whether comes on namely payoff at parents. Do not look accordingly too too pessimistic, if the somebody in parents contracts this disease, but the domestic atmosphere that can give the child a care, warmth, let the child can feel excellent person the care to him and take care of, can reduce the possibility of problem of child occurrence psychology greatly. And the child also is met in the atmosphere outside the family with teacher, young associate, classmate the work in the same placing waits for someone else contact, feel varied psychological mode and behavior way, mix to this world plus oneself the understanding of surroundings, these elements can be reduced greatly come from the effect that at oneself family and one's previous experience produce.
So usually, in the grown child in relatively good atmosphere, and had not undergone the excitant experience with great what, be the influence that won't be contracted depressed disease by the relative. Even if is to do not have better domestic atmosphere, also can contact actively with the outside through oneself, adjust oneself state of mind and thinking, will make oneself become a healthy and active person!
Hope my answer is helpful to you.
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