Surrounding the Milky Way's spiral disk and bulge is the slightly flattened galactic halo of old stars, averaging somewhat lower in mass than our sun, including a relatively small number of individual stars and 200 or so globular clusters -- roughly half above and half below the disk.urrounding the Milky Way's spiral disk and bulge is the slightly flattened galactic halo of old stars, averaging somewhat lower in mass than our sun, including a relatively small number of individual stars and 200 or so globular clusters -- roughly half above and half below the disk.
At first, you may barely notice the symptoms of hypothyroidism, such as fatigue and weight gain, or you may simply attribute them to getting older. But as your metabolism continues to slow, you may develop more-obvious signs and symptoms. Hypothyroidism signs and symptom may include: Fatigue.
When the thyroid gland does not produce enough hormone, the body uses energy at a slower pace than it should. This condition, underactive thyroid, is called hypothyroidism. Some of these symptoms -- fatigue, irritability, weight changes, and sleep problems -- are symptoms that may also indicate depression. Your doctor may order blood tests to determine levels of certain hormones, including: 1  thyroid stimulating hormone (TSH, which is released by the pituitary gland)  triiodothyronine (T3)