References:

         Chemical constituents :

• Behavioral and biochemical studies of dichloromethane fraction from the Areca catechu nut.
  http://www.ncbi.nlm.nih.gov/pubmed/10638628

          Anti Hyperglycemic activity

• Periodontal conditions and oral symptoms in gutka-chewers with and without type 2 diabetes.
  http://www.ncbi.nlm.nih.gov/pubmed/18645686

• Betel nut chewing is associated with hypertension in Taiwanese type 2 diabetic patients.
   http://www.ncbi.nlm.nih.gov/pubmed/18497460

• Betelnut chewing: a contributing factor to the poor glycaemic control in diabetic patients attending Port Moresby General Hospital, Papua New Guinea.
  http://www.ncbi.nlm.nih.gov/pubmed/17212064

• A population-based study of the association between betel-quid chewing and the metabolic syndrome in men.
  http://www.ncbi.nlm.nih.gov/pubmed/16685060

• Betel nut chewing is independently associated with urinary albumin excretion rate in type 2 diabetic patients.
   http://www.ncbi.nlm.nih.gov/pubmed/16443910

• A population-based study of the association between areca nut chewing and type 2 diabetes mellitus in men (Keelung Community-based Integrated Screening programme No. 2).

              http://www.ncbi.nlm.nih.gov/pubmed/15517150