Why can't a man in his 40s get an erection?

A man in his 40s experiencing erectile dysfunction may have underlying psychological issues. Feelings of anxiety, stress, or poor marital relationships during intercourse can lead to such problems. It could also be related to nervous system disorders; most chronic infectious diseases may cause reduced libido, primarily by affecting the nervous and endocrine systems and lowering sex hormone levels in the blood. It is recommended to seek timely medical examination, consume more foods that nourish yin and strengthen yang in daily diet, and engage in appropriate exercise to boost immunity.