Top 10 physiological phenomena of men’s aging

　　vision

　　The lens of the eyeball continues to thicken with age, and men will gradually experience significant vision loss and focus failure after the age of 50.

　　hair

　　As age increases, male The number of hair follicles on the scalp is decreasing day by day, the hair is getting thinner and thinner, the hair growth rate is getting slower and slower, and more and more men are suffering from hair loss.

　　heart

　　Function: After the age of 20, the heart's ability to regulate the heart during strenuous exercise becomes increasingly lower in men. per minute of exercise for a 20-year-old boy heart rate The fastest can reach 200 beats, which decreases to 140 beats at the age of 30. After that, for every 10 years of age, the fastest beats of the heart decrease by 10 beats per minute.

　　hearing

　　The eardrum thickens, the ear canal shrinks and narrows, and it becomes increasingly difficult to distinguish pitches, especially high-frequency sounds. This situation becomes increasingly obvious after the age of 60.

　　oxygen supply

　　and endurance. A 70-year-old man's physical strength is only half that of a 20-year-old man.

　　lung function

　　The bones of the chest become stiffer and stiffer, and the muscles that control breathing become increasingly burdened. More harmful substances remain in the lungs when breathing.

　　Fat

　　Between the ages of 25 and 75, the proportion of fat tissue in the body of men nearly doubles, and most of the increased fat is accumulated in muscles and organ tissues.

　　sex life

　　It is inevitable that the frequency of sexual impulses will decrease. According to statistics, an average of 104 orgasms can occur per year at the age of 25, 52 at the age of 50, and about 22 at the age of 70.

　　penis erection angle

　　The erection angle of men between the ages of 30 and 50 is slightly lower than when they were young, and it is significantly lower between the ages of 50 and 70. Cardiovascular disease is the main reason.

　　Muscles and Bones

　　Developed muscles gradually atrophy and become weak, and bones undergo degenerative changes.