By Dr. Brian McDonoughSponsored By Independence Blue Cross

PHILADELPHIA (CBS) — In medicine, we call it non-compliance. That’s just another big medical word that gets in the way of communicating information.

A landmark medical study has found that the lack of communication may lead to non-compliance. Far too many patients stop taking their medicine sooner than they have to, and that can be bad.

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For people with serious conditions like diabetes and heart disease, it isn’t just bad, it can be a killer.

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A study of more than 1,500 people found that it only took one month after leaving the hospital for one out of eight heart attack patients to quit the life-saving drugs prescribed to them.

The major reasons for quitting? Poor communication.

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Other leading concerns are financial issues and not placing enough importance on taking the medications.