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.
Americans waste a lot of time on Facebook. How much time? Around 40 minutes every single day, according to CEO Mark Zuckerberg, who shared the stat during Wednesday's Q2 earnings call. Apparently that was not enough to satisfy the Zuck, who pointed out that Americans spend nine hours of every day engaging with digital media. That is more than eight hours spent watching Netflix or doing something other than Liking things on Facebook! (One thing young people aren't spending time with: books. The average daily time spent reading for kids between the ages of 15 to 19 is 4.2 minutes, according to the Bureau of Labor Statistics). Still, Facebook eats up an impressive amount of online time, especially on peopleâs phones, where the social media network accounts for one out of every five minutes spent on mobile.