Why does the fda advise against consumption of certain fish such as swordfish and tilefish by women of childbearing age?

These fish are a major source of toxic mercury.

Poisoning by mercury can damage growth of the baby very easily because of the ratio of the compound versus body weight of the baby. In adult's the problem is less bad but in children is very damaging because they are still growing.

The observed changes of youth risk behavior survey addendum since the year 2002 are ;

Explanation:

Sucide cases by the youth lead to premature deaths .Such decisions are as a result of depression as a result of social issiues .

Drug and substance abuse is a risky behaviour by the youth which leads to health conditions and drastic change of behaviour .

Adolescent youths undergo psychosis whereby the young adults are at a risk of behavioural changes .