Enzyme activity indicates soil functionality affectation with low levels of trace elements.

The use of the soil can alter its functionality and influence the (bio)availability of any contaminants present. Our study considers two types of agricultural soils, rainfed and olive soils, managed according to conventional practices that apply contaminants directly to the soil (fertilizers, pesticides, fungicides, etc.) and receive contaminants from the atmosphere (traffic, industry, etc.

[A study of primary school teachers' knowledge of attention deficit hyperactivity disorder].

Introduction: The high prevalence of attention deficit hyperactivity disorder (ADHD), with at least one pupil per classroom, poses a challenge for all the professionals in contact with them, especially for teachers.

Aim: To examine how much primary school teachers know about ADHD in three areas (general information, symptoms and diagnosis, and treatment).

Subjects And Methods: 125 primary school teachers from different communities answered the Knowledge of Attention Deficit Hyperactivity Disorder Scale (KADDS).