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.
According to new data, the average user logs 1.72 hours per day on social platforms, which represents about 28 percent of all online activity. GlobalWebIndex polled 170,000 internet users about their internet habits, and found that average usage times for social media sites rose from 1.66 hours per day in 2013 to 1.72 hours per day last year.