Explain various food borne diseases, their classification, pathogenesis, prevention and control.

Foodborne diseases are a major public health concern worldwide, particularly relevant within the scope of environmental health and ecotoxicology. These diseases are primarily caused by the consumption of contaminated food and water, resulting from microbial pathogens, chemical toxins, or naturally occurring toxic substances. Foodborne diseases represent an intersection between human health and environmental contaminants, and their study is critical for understanding the impact of environmental toxins on food safety.

### Classification of Foodborne Diseases

Foodborne diseases can be classified based on the causative agents:

1. Biological Contaminants:
   - *Bacterial:* e.g., *Salmonella spp.*, *Escherichia coli* (E. coli), *Listeria monocytogenes*, *Clostridium botulinum*.
   - *Viral:* e.g., Norovirus, Hepatitis A virus.
   - *Parasitic:* e.g., *Toxoplasma gondii*, *Giardia lamblia*, *Cryptosporidium spp.*
   - *Fungal:* e.g., Mycotoxin-producing fungi like *Aspergillus* spp.

2. Chemical Contaminants:
   - *Natural toxins:* e.g., mycotoxins, marine biotoxins, cyanogenic glycosides.
   - *Environmental pollutants:* heavy metals (mercury, lead), persistent organic pollutants (POPs), pesticide residues.
   - *Food additives and processing contaminants:* e.g., acrylamide, nitrites.

3. Physical Contaminants:
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