I have a ton of these things. I used to think they were inflamed and knotted muscles, but my massage therapist tells me otherwise. I have a hard time telling which lumps are lipomas and which ones are myofascial trigger points, especially since most of them are in my back, so I'm not sure if any of mine are painful.
Humidity. The most common cause of condensation on double-glazed windows is humidity. The outside window is colder than the inside window causing fog or frost to build up in-between the two panes. The window and house is extremely airtight and cannot breath.
Glazing Tape glazing (glay'-zing): glass used for windows or the act of installing glass into a window. Function: Glazing tape is used to create the inside (and sometimes the outside) seal between the insulated glass panel and window sash or door material, preventing air and water leakage.