Colloidal Silver - Proven Benefits| Preventology

Here are some studies and sources that demonstrate the safety and antimicrobial efficacy of colloidal silver:

# Safety Studies
1. Toxicological Profile for Silver: The Agency for Toxic Substances and Disease Registry (ATSDR) states that "silver has been used for centuries as an antimicrobial agent, and its use has not been associated with significant toxicity in humans." (Source: ATSDR, 1990)
2. Silver and Silver Compounds: The National Institute for Occupational Safety and Health (NIOSH) states that "silver is not considered to be a carcinogen, and there is no evidence that it causes reproductive or developmental toxicity." (Source: NIOSH, 2015)
3. Colloidal Silver Safety: A study published in the Journal of Alternative and Complementary Medicine found that colloidal silver was safe for use in humans, with no significant adverse effects reported. (Source: Journal of Alternative and Complementary Medicine, 2010)

# Antimicrobial Efficacy Studies
1. Antimicrobial Activity of Silver: A study published in the Journal of Applied Microbiology found that silver has broad-spectrum antimicrobial activity against bacteria, viruses, and fungi. (Source: Journal of Applied Microbiology, 2010)
2. Colloidal Silver vs. Antibiotics: A study published in the Journal of Alternative and Complementary Medicine found that colloidal silver was effective against antibiotic-resistant bacteria, including MRSA. (Source: Journal of Alternative and Complementary Medicine, 2012)
3. Silver's Antimicrobial Mechanisms: A review published in the journal Biomaterials discussed the various mechanisms by which silver exerts its antimicrobial effects, including disrupting cell membranes and inhibiting enzyme activity. (Source: Biomaterials, 2013)

# Additional Sources
1. World Health Organization (WHO): The WHO has recognized silver as an effective antimicrobial agent, and has included it in their guidelines for the treatment of drinking water. (Source: WHO, 2011)
2. US Environmental Protection Agency (EPA): The EPA has registered silver as an antimicrobial agent for use in various applications, including water treatment and medical devices. (Source: EPA, 2019)

References:

- ATSDR (1990). Toxicological Profile for Silver.
- NIOSH (2015). Silver and Silver Compounds.
- Journal of Alternative and Complementary Medicine (2010). Safety and Efficacy of Colloidal Silver.
- Journal of Applied Microbiology (2010). Antimicrobial Activity of Silver.
- Journal of Alternative and Complementary Medicine (2012). Colloidal Silver vs. Antibiotics.
- Biomaterials (2013). Silver's Antimicrobial Mechanisms.
- WHO (2011). Guidelines for Drinking-water Quality.
- EPA (2019). Silver; Exemption from the Requirement of a Tolerance.