Prevention studies. There are several ongoing prevention studies for type 1 diabetes. If you have a family member with type 1, you can look for information about open prevention studies and get involved at www.Diabetestrialnet.Org.
Not Clear. There is a large study in operation called Trial Net for family members of those with type one diabetes. There is a yearly blood draw to detect the three main autoantibodies responsible for development of type one diabetes. If autoantibodies develop, there are a number of studies that one may become part of in progress to evaluate possible preventive and early treatments. http://www.diabetestrialnet.org/patientinfo/
No known way.. To do so.