In different animal species, including man, thiamin is absorbed in vivo from the small intestine by means of two mechanism: at low intraluminal concentrations (less than 1.5 microM), absorption shows a saturation kinetics; at higher concentrations, passive transport (diffusion) takes place. The
Although it has been generally accepted that moving the infant from the prone to the supine position has solved the problem of sudden infant death syndrome (SIDS), it has been hypothesized that this is an insufficient explanation and that a mixture of genetic risk, some form of stressful incident