Why is schizophrenia considered to be multifactorially inherited?

Explanation:

Schizophrenia has no single cause. A combination of genes from both parents plays a role. So do unknown environmental factors. Experts believe that a child has to inherit a chemical imbalance in the brain to develop it.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

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