Privacy and Health

You arrive home to your share house and find your housemate's computer on the couch with her Facebook page open with a message written to her mother back home discussing her recent cancer diagnosis. Lately your house mate has been showing signs of what you think could be depression (which she has a history of) and she has not told you about her diagnosis.

You want to ask her if she needs help and feel that because she is not from the area she might not have a good support group around her and her diagnosis could trigger more mental illness problems. However, you also want to respect her privacy and right to keep her medical issues to herself.