Thyroid replacement hormones usually are well tolerated. Symptoms that occur during treatment are often due to toxic, elevated levels of thyroid hormones and resulting symptoms from hyperthyroidism.
Facts about the New Madrid Seismic Zone. The New Madrid Seismic Zone (NMSZ) is the most active seismic area in the United States east of the Rocky Mountains. The NMSZ is located in southeastern Missouri, northeastern Arkansas, western Tennessee, western Kentucky and southern Illinois.
If the ongoing seismicity in the region were composed of aftershocks, those quakes would be relieving strain and reducing the earthquake hazard. Instead, this new research indicates, strain is continuing to accumulate in the New Madrid Seismic Zone, and the earthquake hazard remains high.