There are three ways to extend mobility for older people and patients. We can offer electronic support in or on the means of transportation, we can adapt the infrastructure, and we can provide cognitive training. Dick de Waard focused in his inaugural lecture (and in this blog post) on the first two.
Blood Alcohol Concentration (BAC) of bicyclists was assessed with a breathalyser on nights out. An expected increase in percentage cyclists with a BAC above zero over the course of the night was found, and after midnight the proportion cyclists with alcohol in their blood rose to 90%, with an average BAC above 0.8‰.