Skeletal muscle is the largest tissue in the body. It is also the most adaptable to its environment and can undergo dramatic changes in mass and strength.
All scientific studies confirm it: lack of exercise and inadequate nutrition cause muscle wasting, which leads to frailty, illness and poor life quality.
Your genetic background is important and determines your physical capacities and limitations.
DNA consists of biochemical building blocks called nucleotides of 4 different types: adenine, thymine, cytosine and guanine (abbreviated as A, T, C and G).