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Update news serious heart

Parkinson's: Diabetes drug may offer clue to treatment

 A type of diabetes drug may offer a glimmer of hope in the fight against Parkinson's disease, research in the journal Plos Medicine suggests.

Smoking cessation products pose no serious heart risks: study

 Nicotine replacement gums and patches or popular drugs prescribed to help people quit smoking such as Chantix may not harm the heart in users,