Everyone knows they're going to age, but few really know how aging happens. The loss of teeth, the whitening of hair, the appearance of wrinkles, etc. are all visible to our naked eyes, and the internal changes of organs, tissues and cells are invisible to us, but they are still changing quietly.
Everyone knows they're going to age, but few really know how aging happens. The essence of aging is that there is a problem with the replacement of new and old cells. In the process of life, the older you get, the more cells senesce. The function of organs will gradually decline. In middle-aged and old age, some diseases related to aging will occur. The loss of teeth, the whitening of hair, the appearance of wrinkles, etc. are all visible to our naked eyes, and the internal changes of organs, tissues, and cells are invisible, but they are still changing quietly. Next, we describe roughly ten years, tracking how aging actually emerges step by step.
In your 30s
it becomes easier to strain muscles and sprain tendons. Movements that require quick movement may cause you to suddenly hear a leg snap; or after spinning, you may see the floor instead of the basket.
Loss of muscle mass and strength. For most people, this decline will take years, but for those who work in heavy jobs or have intensive physical activity habits, they may find themselves starting to fall short of younger people. For example, professional football players and track and field players are usually ready to retire by the age of 30 because their natural decline in muscle strength leaves them with less energy.
In your 40s, you
become more prone to three common eye diseases: cataracts, glaucoma, and age-related macular degeneration.
Joints start to stiffen, and some people start to develop arthritis. By age 40, our joints are more prone to injury, especially shoulders, wrists, knees and ankles.
Eye bags are becoming more and more obvious. Puffiness is the result of a general and rapid loss of elasticity, youthful color, and tissue in the skin. As we pass 40, the lymphatic system gradually loses its ability to detoxify. When the lymph nodes are not functioning properly, we start to "puff".
The major changes that can occur in the body are sexual characteristics. In women, the process begins with the onset of menopause, and actual menopause most often begins around age 50. Women experience menopause in a variety of ways, with the loss of fertility and menstruation being just one of the most common. Some women experience more serious physical and psychological effects during menopause.
People in their 50s are
more vulnerable to the most influential risk factors, such as high blood pressure, high blood sugar, high cholesterol, and excess weight.
The gums begin to recede, become more prone to tooth decay, and may develop periodontal disease; the senses of smell and taste are no longer as sharp as they used to be.
Osteoporosis begins to appear, especially in women. Decades after osteoporosis was discovered, the condition only got worse and bones became prone to shattering. The problem of osteoporosis in women is more serious than that in men.
Memory begins to decline. One reason is that the memory-hosting hippocampus (where Alzheimer's disease causes lesions), in the center of the brain, begins to shrink.
Begin to be a high-risk group for degenerative arthritis. Osteoarthritis is the most common joint disease in the world and is most likely to occur in the small joints of the knees, hips and hands.
After the age
of 60, the elasticity of people's blood vessels will decrease, the lumen of the blood vessels will become narrow, and the blood flow rate of the whole body will be slower, which may easily lead to abnormalities in the normal structure and function of the heart, and are prone to coronary heart disease and cardiovascular disease.
Start to feel changes in your skin. The skin becomes thinner and loses a certain barrier function, unable to moisturise and prevent the invasion of foreign objects, and age spots begin to appear.
There may be gradual hearing loss. The ability of the ear and the brain to recognize sounds, two mechanisms that typically decline with age.
The walking speed gradually slows down. The normal walking speed of healthy elderly people is about one-fifth slower than that of young people. The distance the elderly walk doesn't change much with age, but their pace shrinks.
70s
We forget more things and process information slower. At the same time, there are several signs of aging, including hormonal changes and cognitive decline, that can lead to depression.
The ability to control excretion gradually decreases. The bladder wall becomes less elastic, thus reducing the amount of urine that can previously be stored. One in ten people over the age of 65 has bladder control problems.
Gradual loss of sensory abilities. By the age of 70, our vision and hearing gradually degrade enough to affect our lives. One in six people over the age of 70 has serious vision problems, and this rate doubles in their 80s. One in four people over the age of 70 has a hearing impairment.
When I was in my 80s,
various diseases came to my door. In addition, starting at age 65, the odds of developing Alzheimer's double with each passing year. People over the age of 85 have a 50% chance of developing Alzheimer's disease.
Studies have shown that lonely people have a higher mortality rate than non-lonely people. They are more prone to relapses of old diseases, including cardiovascular disease, viral infections, hip fractures and cancer. Loneliness and isolation can also alter our genetic makeup in a detrimental way. "The biological effects of social isolation can penetrate deep into our most fundamental inner process, which is our genetic activity," said Steve Kerr, a researcher at the UCLA School of Medicine.
In our 90s,
we are more than almost everyone born the same year. People have to live long. The proportion of people who live to this age is increasing every year. But in some ways we tend to be healthier in our 90s than many of our friends were in their 80s. People of this age are often surprisingly resistant to disease. If we live to be 100 years old, we might be surprised that we are still alive. Even more surprising is that there are not a few people who live to be 100 years old.
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