how does hypothyroidism affect a man?

Poor nutrition is probably the origin of many thyroid problems (including low thyroid), and rich nutrition is vital to reversing them, or at least to prevent further decline. Learn here https://tr.im/0Sr3m

Healthy thyroid function depends on a range of nutrients, especially selenium, folic acid, and iodine. Since most people cannot optimize levels of these nutrients through diet alone, a medical–grade supplement is vital. Of course, supplements should be used to complement, not substitute, for a balanced diet.

Stress in all it’s forms is another key culprit of thyroid dysfunction. Most of us experience a high degree of the most damaging kind — unremitting stress. It is important for hypothyroid treatment to identify the stressors you face and learn techniques and activities that can help you reduce your stress.

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Did you research the opposite hyperthyroidism? Do not worry about it until you have a diagnosis first. Hyper is over active and hypo is under active