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TSH Levels Explained: Normal, Low, and High

A doctor can test your TSH levels with a blood test to diagnose thyroid disease. Normal TSH levels range from 0.4-4.0 mUI/mL, which indicates proper thyroid function. You can treat abnormal TSH levels ...
The New York Times

Airborne Lead and Chlorine Levels Soared as L.A. Wildfires Raged

The findings give new insight into the dangers of urban wildfires that burn plastics and other chemicals in homes and property. By Hiroko Tabuchi and Mira Rojanasakul At the height of the Los Angeles ...