Thyroid disorder epidemic

https://www.lifeworkswellnesscenter.com/thyroid-disease-treatment/thyroid-disease-why-this-epidemic.html
An estimated 27 million Americans have Thyroid disease. More than half are undiagnosed or misdiagnosed. Thyroid problems in women occur seven times more often than in men. Thyroid problems can be triggered by things as simple as your drinking water or swimming in your pool.
Why does thyroid dysfunction play such a big role in psychiatric disorders?
Thyroid dysfunction in major psychiatric disorders in a hospital based sample, INDIAN JOURNAL OF MEIDCAL RESEARCH
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3978977/
Why do so many people experience problems with thyroid health? Millions of cellphone users may explain important questions regarding healthy thyroid function.
Alterations in TSH and Thyroid Hormones following Mobile Phone Use, OMAN MEDICAL JOURNAL
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3243874/