How to Use "exogenous" with Example Sentences

1. Changes of government can be regarded as exogenous events too .
2. Apart from the difficulty of forecasting the impact of exogenous events , investors may have another reason for ignoring them .
3. Exogenous estrogen , for instance , activates growth pathways in breast cells and can cause breast cancer but doesn 't damage dna .
4. Swine flu is just the latest in a series of " exogenous events " ( risks originating outside the financial system ) to test the markets .
5. In normal persons , pain serves to protect the body from exogenous injury and internal disease .