The answer to 'are silverfish dangerous' is no, silverfish are not considered dangerous to humans. Silverfish are small, wingless insects that feed on carbohydrates, starches, and sugars found in household items like paper, clothing, and wallpaper. While they can cause damage to these materials, they do not bite, sting, or carry diseases that are harmful to people.
Silverfish are primarily a nuisance pest that can be an indicator of excess moisture or humidity in the home. They typically live in dark, damp areas like bathrooms, basements, and attics. While they may be unsightly, they do not pose any serious health risks to homeowners.