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The secret lies behind collagen How do you preserve it?

Collagen is the basis of the elastic structure of the skin, which fills the spaces between cells. That is, skin aging can be slowed or stopped by stopping the destruction of collagen and increasing its production.

By News CorrectPublished about a year ago 5 min read

Gerontologists Vladimir Khavinson and Svetlana Trofimova explain on a TV show why collagen production decreases and how this can be reversed.

According to them, to prevent the acceleration of skin aging, the factors that affect the decline in collagen production must be remembered, including:

The effect of the sun - UV rays are the main cause of skin cancer. The worst sunshine is from 11 am to 3 pm.

The second factor is glycoaging, or glycation, which destroys collagen. "This is caused by excessive sugar consumption," says Trofimova.

- The third factor is stress, because it suppresses the function of the immune system and endocrine glands, which leads to an acceleration of the aging process.

The fourth factor is smoking. Smoking is not only a carcinogenic factor, but also damaging to collagen.

The fifth factor is the lack of vitamins and mineral elements in the body.

According to them, healthy nutrition is the key to beauty and youth. Therefore, nutrients containing natural collagen and amino acids necessary for the synthesis of collagen in the body must be eaten. Fish also have a clear positive effect on the skin. Source: Vesti. ru

Study: Vitamin D reduces the risk of dementia by 40 percent

Doctors from Europe and Canada discovered that taking vitamin D reduces the risk of developing dementia by 40 percent among elderly people aged 70 and over.

Researcher Byron Kreese from the University of Exeter, UK, says: “Reducing the frequency or slowing down the development of dementia has become an important goal for humanity, given the fact that the number of people affected by it is constantly increasing. The results of the study conducted by scientists showed that vitamin D can be an effective means in resolving this problem."

According to the data of the World Health Organization, 55 million people in the world suffer from dementia, and one of the main causes is Alzheimer's disease, which is discovered in 60-70 percent of them. This disease causes the death of brain cells, which leads to a gradual decrease in the mental, behavioral and social skills of the patient, so that he forgets what he talked about a while ago, the event, or the names of relatives, and he gets lost in a familiar place, and so on.

The researchers decided to find out how vitamin D, whose molecules contribute to the removal of protein "garbage" from brain cells, affects the risk of dementia. For this purpose, they followed the case of more than 12,000 people over the age of seventy.

According to the researchers, a third of the participants in the study took vitamin D regularly, which allowed doctors to monitor its effect on the state of the brain over the next ten years, taking into account whether they carry the APOE4 mutation, which is the APOE gene variant that increases the risk of developing Alzheimer's disease several times.

Follow-up showed that dementia developed in 2.7 thousand participants in the study 10 years after its start, and that 75 percent of them did not take the vitamin. So when all the side factors are taken into account, regular vitamin D intake reduces the risk of dementia by 40 percent.

According to the researchers, this was most evident among those who did not carry the APOE4 mutation. Therefore, Kreese and his scientific team believe that the intestines of those who carry the APOE4 mutation are more actively absorbing vitamin D from foods than others. Source: TASS

Forget the recommendations of the 10,000 steps a simpler way in the seventies that reduces "fatal" health risks

A study finds that walking an extra 500 steps a day into your 70s can significantly reduce your risk of heart attack and stroke.

The researchers found that those who walked an extra quarter mile each day reduced their chances of developing cardiovascular disease by 14 percent.

The researchers say the findings suggest that setting "achievable goals" on fitness trackers can help maintain good health well into old age.

The researchers said most of the studies focused on adults in early to middle age with daily goals of 10,000 steps or more, which may not be achievable in older individuals.

So, in their study of 15,792 adults with an average age of 78, they wanted to focus on the health effects of daily step counts in older adults.

The team analyzed the health data of more than 450 participants who used a pedometer-like device worn on the hip to measure their daily steps.

The device was worn for three or more days, for 10 or more hours, and averaged about 3,500 steps per day.

About 7.5% of the participants had a cardiovascular disease, such as coronary heart disease, stroke or heart failure, over the next 3.5 years.

Compared to those who took fewer than 2,000 steps a day, those who walked about 4,500 steps a day had a 77% lower risk of developing cardiovascular disease.

Only about 3.5% of the participants who took about 4,500 steps per day had a cardiovascular event, compared to about 12% of the elderly who took fewer than 2,000 steps per day over the follow-up period.

According to findings presented at the American Heart Association conference, every additional 500 steps taken per day was incrementally associated with a 14% lower risk of cardiovascular disease.

“It is important to maintain physical activity as we age, however, daily step goals must also be met,” said Erin E. Dooley, assistant professor of epidemiology at the University of Alabama, who led the study. “We were surprised that every additional quarter mile, or 500 steps, Walking has had such a powerful benefit for heart health."

She added: "While we don't want to underestimate the importance of high-intensity physical activity, encouraging small increases in daily step counts also has significant cardiovascular benefits. And if you're an adult over the age of 70, start by trying to get an extra 500 steps a day." ".

More research is needed to determine whether taking more steps per day prevents or delays the development of cardiovascular disease, or whether fewer steps may be an indicator of an underlying disease. Source: Daily Mail

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