 - current use of prescription or over-the-counter medications or herbal products for which drinking alcohol is strictly prohibited. When the metabolic half-life of the medicationproduct is known, we will require at least 7 half-lives to have elapsed before any session involving alcohol consumption. If the half-life is not known as might be the case for some herbal preparations, we will require at least 7 days to have elapsed since the last use before any session involving alcohol consumption; 