NADH. the reduced form of nicotinamide-adenine dinucleotide. NADH-methemoglobin reductase. the enzyme in the erythrocyte that converts methemoglobin to hemoglobin, which is the form responsible for the transport of oxygen.1  Facebook.ADH. the reduced form of nicotinamide-adenine dinucleotide. NADH-methemoglobin reductase. the enzyme in the erythrocyte that converts methemoglobin to hemoglobin, which is the form responsible for the transport of oxygen. 1  Facebook.
Such as, users aged between 15 and 19 spend at least 3 hours per day on average on social media platforms majorly Facebook, Twitter and Instagram. The age group consists of students who spend their precious time in connecting with people rather than spending time on playing or studying.
About This Statistic. This statistic contains data on the average daily media use in the United States in as of April 2017. During the survey period, it was found that U.S. adults spent an average of 128 minutes (two hours and eight minutes) on laptop and desktop activities every day. The source estimated that the average American spent 727 minutes per day with media.