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  • af Orfali & Joy Potter
    153,95 kr.

    Unveiling the secret at the heart of marijuana's medicinal power, this book explains how cannabis alleviates pain, soothes discomfort, and can interfere with the biological progression of certain diseases.

  • - Foods and Drugs that Make You Smarter
    af Potter & Orfali
    178,95 kr.

    This book is a pioneering look at the substances that have been discovered to have a positive effect on the performance of the human brain. Brain Boosters begins by describing how the brain works and the factors influencing mental performance. It then goes on to discuss the evolution and growing use of nutrients and pharmaceuticals to improve brain function. Photos and line drawings.

  • - A Guide for Employers and Employees
    af Potter & Orfali
    263,95 kr.

    The new edition provides reliable, current information on the legal issues and the technology of drug testing in the workplace, and shows step-by-step how to set up a testing program.