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CHAPTER 1
AGING AND YOUTH
HEALTHY LIFESTYLE HELPS TO SLOW DOWN AGING

Оглавление

A healthy lifestyle has many definitions, but all scientists agree on one trend: it is a way of living aimed to maintain and improve health, both physical and mental. And firstly, people themselves are responsible for their well-being: they must have the knowledge and skills, as well as be active in achieving the goal of being healthy.

A healthy lifestyle is a combination of many healthy habits (and rejection of bad ones, such as smoking, drinking abuse, etc.). The effectiveness of some aspects of a healthy lifestyle to prevent aging has been confirmed by many studies.


1. PHYSICAL ACTIVITY. Exercise is seen as a beneficial stress for the body, positively affecting various aspects of physiology. It is proved that moderate stress caused by physical activity slows down the skeletal muscles aging[17], activates the antioxidant systems of the body[18], normalizes metabolic processes[19], stimulates the formation of somatotropic hormone (growth hormone), which significantly accelerates regeneration processes in the body[20], helps normalize blood pressure levels and reduces the risk of hypertonia[21].

FUN FACT

TO REDUCE THE RISK OF PREMATURE DEATH, IT IS ENOUGH TO JUST STAND MORE DURING THE DAY.

A study conducted by scientists from UCLA School of Medicine found that older people who spent more time standing had a 37 % lower risk of death compared to those who sat more often during the day. The longest "standing" time among the subjects was about 90 minutes a day, but it turned out that even half an hour spent in an upright stance allow achieving the desired effect.

2. BREATHING EXERCISES. Breathing is essential to the functions of the body. But do we breathe right? If we do not pay enough attention to this important process, and breathe frequently and intermittently, as it happens unknowingly, it causes dysfunction of the internal organs, and major health problems – from insomnia to atherosclerosis. To avoid this, it is essential to be able to do breathing exercises. Read more in Chapter 13.


3. CALORIE RESTRICTION. The idea that a caloric deficit can prolong life comes from theories connecting longevity and metabolic rate. The authors and defenders of these theories believe that living beings are given a limited number of resources, including energy, which can be expended during life. Restricting caloric intake, leading to a slowing down of metabolic processes, helps to save "life force": figuratively speaking, a fire will burn longer if we toss small portions of fuel into it. There is evidence for the accuracy of such a view.


4. SLEEP CULTURE. According to the National Sleep Foundation, adults need 7 to 9 hours of sleep per night[22]. Young children need more hours to grow and develop (the younger the child, the more). People over the age of 65 need 7 to 8 hours of sleep.

Getting enough hours of sleep and monitoring its quality are two important aspects for those who want to achieve longevity and maintain their health. Sleep gives energy for mental and physical activity, contributes to the recovery processes, and strengthens almost all systems of the body.

Experts recommend always following a sleep regime, even on weekends, performing relaxing treatments before going to bed (for example, meditating, reading, taking a hot bath), avoiding caffeine or alcohol several hours before bedtime, choosing a comfortable quality mattress and pillow, maintain an optimal temperature and pleasant aroma in the bedroom, turn off lights and electronic devices (TV, computer, smartphone, etc.) an hour before bedtime.

Find out if you suffer from apnea (pauses in breathing during sleep), one of the most common causes of poor sleep. It increases the risk of high blood pressure and heart disease.


5. HEALTHY MIND. A healthy lifestyle is not just about exercising or dieting. It is also a concern for mental well-being and the development of cognitive skills. Such components of a healthy lifestyle as a positive attitude to life, stress management, and intellectual discipline (reading, language learning, and logic games), play a key role in maintaining mental health and increasing life expectancy.

One of the most effective methods to "free the mind" is meditation. It helps to shift attention from worrying about the future or fixing the past to the present moment and thus helps to interrupt the endless flow of negative thoughts and anxiety. You do not need to play appropriate music or light incense (this is optional) to start meditating, just find a quiet place and take a comfortable position. You can learn the meditation process yourself. For example, with the help of dedicated apps.


6. FEELING YOUNGER. Although health deterioration in the aging process is universal, people perceive and experience it in different ways. Scientists from Seoul National University, together with colleagues from Yonsei University (South Korea), concluded that feeling younger than you are is a major component of good health in mature years[23]. But the subjective feeling of being older, as MRI has shown, on the contrary, reflects a more rapid brain aging. This has also been confirmed by French and American scientists[24]. The study involved 17,000 retirement-age people who were followed for 20 years. It turned out that subjects who felt 8-13 years older had an increased risk of early death (by 18–25 %).


7. GREATER SOCIAL TIES. It is almost impossible to keep track of long life without diseases alone, without the motivating force of family, friends, and loved ones. You can only do it with people supporting you. A person has a great opportunity to generate more resources, energy, and experience together with other people, which will necessarily affect not only the general quality of life but also the internal physiological and mental condition.


8. GOAL SETTING. People who know why they live have the best chance to live longer. Many studies confirm this hypothesis. Having a purpose in life is characteristic of the inhabitants of the so-called "longevity regions" – places where people on average live longer than the population of the Earth. Dan Buettner, an American writer, and traveler, calls such places "blue zones." In a series of books on features of life in these amazing areas, Buettner points out that almost all blue zone inhabitants have special mindfulness practices allowing them to find meaning in life.

The inhabitants of the Japanese island of Okinawa have a practice called ikigai. This is translated as "something or someone that gives a person a sense of purpose or a reason for living." It is a person's main interest, the main aspiration in life. It answers the questions like "What am I doing here?" – "Why am I living?" – "How can I be useful to the world?" etc. Ikigai is a comprehensive notion running through life and helping to find yourself, your path, meaning, and purpose.

The inhabitants of another blue zone, the Nicoya Peninsula in Costa Rica, believe that a plan de vida is essential for a long, happy life. This term means a constant search for a reason to wake up in the morning, to enjoy every single day.

17

Gomes M. J., Martinez P. F., Pagan L. U., et al. Skeletal muscle aging: influence of oxidative stress and physical exercise. Oncotarget. 2017 Mar 21;8(12):20428-20440.doi:10.18632/oncotarget.14670. PMID: 28099900; PMCID: PMC5386774.

18

Vargas-Mendoza N., Morales-González Á., Madrigal-Santillán E. O., et al. Antioxidant and Adaptative Response Mediated by Nrf2 during Physical Exercise. Antioxidants (Basel). 2019 Jun 25;8(6):196. doi:10.3390/antiox8060196. PMID: 31242588; PMCID: PMC6617290.

19

Brandao C. F. C., de Carvalho F. G., Souza A. O., et al. Physical training, UCP1 expression, mitochondrial density, and coupling in adipose tissue from women with obesity. Scand J Med Sci Sports. 2019 Nov;29(11):1699–1706. doi:10.1111/sms.13514. Epub 2019 Jul 22. PMID: 31282585.

20

Kanaley J. A. Growth hormone, arginine, and exercise. Curr Opin Clin Nutr Metab Care. 2008 Jan;11(1):50-4. doi:10.1097/MCO.0b013e-3282f2b0ad. PMID: 18090659.

21

Lou M., Zong X. F., Wang L. L. Curative treatment of hypertension by physical exercise. Eur Rev Med Pharmacol Sci. 2017 Jul;21(14):3320–3326. PMID: 28770948.

22

Hirshkowitz M., Whiton K., Albert S. M., et al. National Sleep Foundation's sleep time duration recommendations: methodology and results summary. Sleep Health. 2015 Mar;1(1):40–43. doi:10.1016/j. sleh.2014.12.010. Epub 2015 Jan 8. PMID: 29073412.

23

Kwak S., Kim H., Chey J., Youm Y. Feeling How Old I Am: Subjective Age Is Associated With Estimated Brain Age. Front Aging Neurosci. 2018;10:168. Published 2018 Jun 7. doi:10.3389/ fnagi.2018.00168.

24

Stephan Y., Sutin A. R., Terracciano A. Subjective Age and Mortality in Three Longitudinal Samples. Psychosom Med. 2018 Sep;80(7):659–664. doi:10.1097/PSY.0000000000000613. PMID: 29864106; PMCID: PMC6345273.

The Power Of Youth. How To Tune Our Mind And Body For A Long And Healthy Life

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