Objective to explore the environmental factors of combined allergic rhinitis and asthma syndrome (CARAS) and asthma in children, and to provide evidence for preventing asthma in children.

目的探讨影响儿童变应性鼻炎-哮喘综合征(CARAS)和哮喘发病的环境因素，为儿童哮喘的防治提供科学依据。

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"They're offering top billing whether your products are best or not, " says Caras.

FORBES: Net losses

Caras reflects the division that exists within Brazil - a country that is both First World and Third World.

BBC: NEWS | Entertainment | Brazil's bland and beautiful

Caras - which means "faces" in Portuguese - began life 10 years ago.

BBC: NEWS | Entertainment | Brazil's bland and beautiful