While many chairs that allow a sitter to assume the zero gravity position are decidedly designed for indoor use (the Herman-Miller Eames Chair comes readily to mind for many), there are plenty of zero gravity recliners that are specifically designed to be used outside.
3. Sea vegetables. Sea vegetables are rich in iodine. Iodine attaches to tyrosine (an amino acid) to form thyroxine. If you have insufficient levels of iodine, it becomes a rate-limiting step in the production of thyroid hormones and you'll inhibit your thyroid function.
How To Protect Your Thyroid. 1  Increase your iodine intake - Iodine is a trace mineral and is needed for thyroid hormone production.  Add selenium to your diet - Selenium is a mineral also needed for thyroid hormone production and can be found in tuna, brown rice or Brazil nuts.