The best approach for you depends on your age, physical condition, the underlying cause of the hyperthyroidism, personal preference and the severity of your disorder: 1  Radioactive iodine. 2  Anti-thyroid medications. 3  Beta blockers.  Surgery (thyroidectomy). If you're pregnant or otherwise can't tolerate anti-thyroid drugs and don't want to or can't have radioactive iodine therapy, you may be a candidate for thyroid surgery, although this is an option in only a few cases. In a thyroidectomy, your doctor removes most of your thyroid gland.
Fox squirrels have been known to live to 18 years old in captivity. Under natural conditions the average lifespan is 8 to 18 years old, though most squirrels die before they reach adulthood. Fox squirrels spend most of their time in trees during the day.
Quick Answer. Squirrels live in winter burrows during the winter months, which can be found underground or in hollowed out trees. Unlike many rodents, squirrels do not hibernate during the winter but they keep their activity to a minimum while living off fat reserves. Continue Reading.