How male physiology changes across different age groups VnExpress Male physiological needs are not static but evolve over time, primarily due to declining testosterone levels and lifestyle influences.
Is a decrease in morning erections a cause for concern? VnExpress Previously, I would have morning erections every day, which would subside after urination. However, in recent months, this has decreased, sometimes not occurring for an entire week. Is this something to worry about? (Ngoc Son, 44, Hanoi)