Have you ever wondered what genetic testing can tell us about our health? In this video, we look at some types of genetic testing used specifically for medical purposes.

Predictive genetic testing is one such method, which can tell us a person’s risk of developing a certain condition in future, even if they don’t have any symptoms yet. For example, having particular changes in the BRCA genes increases a person’s risk of certain cancers. Here, we look at the choices celebrity Angelina Jolie made in response to the diagnosis that she carried such a gene change.

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