Background This article is a primer for health care professionals who are interested in
understanding the origins of phytotherapy, being introduced to some commonly used herbal …

Background Echinacea plant preparations (family Asteraceae) are widely used in Europe
and North America for common colds. Most consumers and physicians are not aware that …

Background: Constant exposure to various stressors, such as immune pressure, rapidly
increasing population, deleterious changes in the ecosystem, climate change, infection with …

Purple coneflower (Echinacea purpurea (L.) Moench) is a popular native North American
herbal plant. Its major bioactive compound, chicoric acid, is reported to have various …

Objectives Herbal medicines, as a treatment method, have received a great deal of attention.
The effects of two herbal medicines namely Zingiber officinale and Echinacea on alleviation …

Physical activity (PA) and nutrition are the essential components of a healthy lifestyle, as
they can influence energy balance, promote functional ability of various systems and …

Introduction 3. Markers of mucosal immunity 4. Immune markers in saliva 5. Salivary IgA and
acute exercise 6. Nutritional influences on s-IgA responses to acute exercise 7 …

Objective: The aim of this review is to evaluate and summarize the available scientific
information on the commonest plant extracts marketed in Western countries. In view of the …

Background Pelargonium sidoides (P. sidoides), also known as Umckaloabo, is a herbal
remedy thought to be effective in the treatment of acute respiratory infections (ARIs) …

In Part 2 of this review, a critical examination of the pertinent scientific literature is
undertaken in order to assess the interaction risk that popular dietary supplements may pose …