written by Dr. Joseph Mercola STORY AT-A-GLANCE Several studies have proposed that mitochondrial dysfunction in your motor neurons drive the development of sarcopenia (age-related muscle loss) Scientists recently discovered that Alzheimer’s-like protein aggregates (amyloid beta) underlie the muscle deterioration commonly seen in aging, and that nicotinamide adenine dinucleotide (NAD+) is essential for combating this condition […]