Introduction I have written about this experience of mine previously in my native Portuguese, English and Italian on various internet sites and bulletin boards, but this is the first time I have ever formalized my thoughts into an actual article for publication....
By Pedro Nuno Ferreira Introduction I already wrote about this subject, but I decided to formalize my writings into an actual article for publication in hopes that it is better explained and thus helps others to avoid mistakes that can have devastating consequences....
By Pedro Nuno Ferreira Health and well being are strongly influenced by environmental conditions. In humans, one can take examples of large scale epidemics, such as plague, cholera, etc… that have been caused by very poor sanitation and hygiene conditions. Sanitation...