Whether you want to build a stronger body or add more muscle, you need to train hard. However, the basis for you to train hard is that you have improve endurance to do it consistently. Compared to someone who doesn’t exercise at all and someone who keeps exercising, their endurance level is completely different. So, endurance comes from your persistent …

Numerous studies have shown that exercise training increases baseline levels of testosterone, IGF-1, SHBG, hGH, and DHEA in both men and women. The mass and strength of a man’s muscles peak around the age of 30, losing 115% per decade from the age of 50 until the age of 70, when they have about 30% of their strength. About 50 …