welcome to the healthcare magic ,
Having strong family history have an impact on this ,but we in homeopathy
do believe that this history effects your genetical mapping/coding ,its in your blood to get affected with dabetes in near course of time but solely depends on the environmental factors,your diet and lifestyle ,your dealing with the stress
factor etc .
we group this kind of cases in 'diathesis" segment and have special plan of treatment for them.
Do your regular exercises .
Follow your diet and regimen as if you have diabetes
avoid stress as far as possible.
try to reduce weight.
adapt healthy lifestyle.