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.
Coconut, especially coconut oil, is one of the best foods for your thyroid of all and all forms of coconut are excellent. Coconut is rich in antibacterial, antiviral and healing nutrients that also spike your metabolism and heal the entire body. The lauric and capryllic acid both nourish the thyroid and help it to run at its peak.