Author: Pedro Nuno Ferreira

IntroductionI have written about this experience of mine previously in my native Portuguese, English and Italian on various internet sites and bulletin boards,... Read more.

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... Read more.

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... Read more.