Very high levels of AST (more than 10 times normal) are usually due to acute hepatitis, sometimes due to a viral infection. With acute hepatitis, AST levels usually stay high for about 1-2 months but can take as long as 3-6 months to return to normal.
MFMA recommends the relative humidity level for a concrete slab for a non-glue-down maple floor system be 85% or lower and for glue down systems the concrete slab relative humidity level should be 75% or lower before installation.
The weather outside is not something that you can control, but the good thing is that you are able to control the humidity level in your bedroom or the entire house with a humidifier. For a healthy reasons humidity level should range between 30 and 50 percent. As an optimal humidity level for a bedroom is considered 45 to 50 percent. If you sleep in an area with a level lower than the recommended one, you may experience, irritation of the eyes, nose, and throat.