Thursday, January 28, 2021

Men's Health Problems

 Men's Health Problems

The lead author of the research, Dr. Manish Arora, told the New York Times: "It was previously assumed that the sex hormones are primarily responsible for the effect, but our study shows that testosterone in the blood is needed for the sex hormone effects. The dose-response was less clear than it was in women." "Now we understand that testosterone levels are not a single factor in setting male puberty, but likely several factors which require a balance between a high and low exposure, which is largely controlled by age and genetic background." This is because the number of cells dividing is also important: The younger a boy's cells are, the more they can divide; more cells mean more opportunity to influence their future reproductive function. Combined with other biological factors, like the use of puberty-blocking hormones at puberty, these biological factors are responsible for the wide range of differences between boys and girls. Hormones and Reproductive Development The male testosterone surge during puberty and the decrease in testosterone at menopause make sex hormones critical for reproductive development and function. Although most of the effects of changes in testosterone levels in early development can be chalked up to the physical changes of puberty, biological changes such as alterations in gene expression can have effects on reproductive function later in life.
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