People with iodine deficiency who are exposed to radioactive iodine are especially at risk of developing thyroid cancer. (ods.od.nih.gov)
Women are also more likely to develop thyroid cancer in their 40s or 50s (Burke - Charvet is 41) while men are more likely to develop it in their 60s or 70s. (health.com)
This means that children who have siblings, parents, or grandparents with thyroid cancer or other endocrine cancers — or who have family members who have tested positive for genetic mutations like the RET mutation — are at an increased risk of developing thyroid cancer as well. (verywellhealth.com)