Can you catch cancer from a person who has cancer, Explain.

No (well depends)

Explanation:

Cancer is not an infectious disease, so you wouldn't be able to catch it from contact with that person. However, if the person with cancer is a parent, they could pass it on through genetics to their children.

No

Explanation:

Cancer is a noncommunicable disease.  Non communicable diseases cannot be spread from one person to another.

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just be there for her.

explanation:

not necessarily literally but figuratively. also don't say things like "i understand how you feel", because even though you are trying to , you clearly don't understand how she feels (i'm gonna go out on a limb here and assume you've never had a heart attack). also just let her rest. that is one of the best things for you to do.