Ten "photos" of men's aging

When women enter menopause, there are obvious physiological changes such as a stop-through. But the process of male change is mostly blurred. Experts believe that some physiological changes can be used as a sign of male aging

1, eyesight: eye lens with age increase thickening, men after 50 years of age will gradually appear obvious vision decline and focus is not allowed.

2, Hair: With the increase of age, the number of hair follicles on the scalp of men is decreasing, the hair is getting thinner, the growth rate of hair is getting slower and more and more and more bald males.

3, heart function: Men after 20 years of age after the heart in strenuous exercise, the ability to adjust less and lower. A 20-year-old boy with a heart rate of up to 200 beats per minute during exercise, reduced to 140 times at 30, and a 10-year-old heart beat 10 times per minute after each increase.

4, hearing: The tympanic membrane thickening, narrow ear canal atrophy, the ability to distinguish the tone, especially high-frequency sound identification more and more difficult. This situation became increasingly apparent after the age of 60.

5, oxygen and endurance: a 70-year-old man's physical strength and the 20-year-old man half.

6, lung function: thoracic skeleton more and more stiff, control the muscle burden of breathing more and more heavy. There are more harmful substances remaining in the lungs when breathing.

7, Fat: Men in the 25-75-year-old, the proportion of body adipose tissue increased by nearly 1 time times, and the increase in fat is mostly piled up in muscle and organ tissue.

8, Sex Frequency: The number of sexual impulse reduction is unavoidable. According to statistics, about 25 years old average annual can reach 104 orgasm, 50 years old 52 times, 70 years old is about 22 times.

9, Penile erection angle: 30-50-year-old male erectile angle is slightly lower than younger, 50-70-year-old is significantly lower, cardiovascular disease is the main reason.

10, Muscle and bone: developed muscle gradually atrophy weak, bone degeneration change.

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Ten "photos" of men's aging