Do you believe soy offers protection or a cure against cancer, heart disease, osteoporosis, menopause and many other illnesses? So did I until I developed an allergy to soy and nearly died! Do you suffer from unusual weight gain and who could be developing thyroid disease and never thought that soy might be the cause? People have developed thyroid problems, and a host of other health problems. Soy may also promote tumors in cancer survivors. Want to share your thoughts?