Does a man's body change a lot at 45? An overview of midlife health shifts
By age 45, most men will have experienced a gradual decline in testosterone, which starts around age 30 and can contribute to a variety of physical and emotional changes. This natural hormonal shift is just one part of a broader midlife transformation, prompting many to ask, "Does a man's body change a lot at 45?" The changes are often subtle but significant, affecting metabolism, muscle mass, and overall health.