Sentence: Sometimes, he prescribes medication in order to help them cope with...

[Ganesh]

James is a psychiatrist.
He treats patients who have mental illnesses and disorders.
Sometimes, he prescribes medication in order to help them cope with their emotional and mental difficulties.

When you have to put in a sentences please?

[Kitosdad]

When you have to put in a sentences please?

Good morning Ganesh, I think you are asking where to put a comma, but I'm not sure.

If that is the case, then a comma is not required in any of these sentences, in my opinion.
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