The lens of the eye gradually thickens with age, and after the age of 50, men gradually experience significant visual deterioration and poor focus.
With the increase of age, the number of hair follicles on the scalp of men is decreasing, the hair becomes thinner and thinner, and the growth rate of hair becomes slower and slower. More and more men are resting.
3. Sexual frequency
A decrease in the number of sexual impulses is inevitable. According to statistics, around the age of 25, the average annual orgasm can reach 104, 52 at the age of 50, and about 22 at the age of 70.
4. Penile erection angle
The erectile angle of men aged 30-50 is slightly lower than when they are young, while it is significantly lower between the ages of 50-70. Cardiovascular disease is the main reason for this.
5. Cardiac function
After the age of 20, the regulating ability of the heart during vigorous exercise becomes increasingly low in men. A 20 year old young man's heart rate can reach a maximum of 200 beats per minute during exercise, decreasing to 140 beats at the age of 30, and decreasing by 10 beats per minute for each additional 10 years of age.
The tympanic membrane thickens and the ear canal shrinks and narrows, making it increasingly difficult to distinguish between tones, especially high-frequency sounds. This situation becomes increasingly apparent after the age of 60.
7. Oxygen supply and endurance
A 70-year-old man's physical strength is only half that of a 20-year-old man.
8. Lung function
The rib cage bones are becoming increasingly rigid, and the muscle burden that controls breathing is becoming heavier. More harmful substances remain in the lungs during breathing.
Between the ages of 25 and 75, the proportion of adipose tissue in men has nearly doubled, and most of the increased fat is accumulated in muscle and organ tissue.
10. Muscle and Bone
Developed muscles gradually atrophy and become weak, and bones undergo degenerative changes. The tired body requires a normal response that restores physical strength and energy, and is also an automatic control signal and warning that people possess. If immediate measures are not taken according to the warning, the human body will become ill from overwork and become entangled in various diseases.