Article subjects are automatically applied from the ACS Subject Taxonomy and describe the scientific concepts and themes of the article.

The root cause behind persistent fatigue, cognitive fog, and sluggish energy is declining nicotinamide adenine dinucleotide (NAD+) levels. How low NAD+ affects cellular energy production ...

These pairs are : adenine (purine) with thymine (pyrimidine ... It is probably impossible to build this structure with a ribose sugar in place of the deoxyribose, as the extra oxygen atom ...