Over-reliance on English subtitles while watching foreign content may lead the brain to "tune out" the audio and focus only on reading.
While beneficial, subtitles can sometimes hinder the viewing experience: Counter Measures subtitles English
Include non-speech information like background noises (e.g., "[engine revving]") and speaker identifiers. Counter Measures subtitles English
Often cited as the most effective for immediate vocabulary gains. Potential "Counter" Issues Counter Measures subtitles English