Kas ir iedegums?

Kas ir iedegums?

Cilvēki bieži vien pakļauj savu ādu saules staru iedarbībai, lai gūtu „iedegumu”. Bet daudzi nesaprot, ka saules gaisma ļoti spēcīgi iedarbojas uz ādu. Pats svarīgākais iedarbības veids ir iedegums. To izraisa ultravioletais starojums, kas ādā esošo vielu histidīnu pārvērš citā vielā, un tā savukārt paplašina ādas asinsvadus. Tieši tas ir ādas saskārtuma cēlonis.

Ādā ir vēl kāda viela - tirozīns. Ultravioletie stari pārveido tirozīnu brūnā pigmentā, ko sauc par melanīnu. Pēc tam melanīns nokļūst ādas virskārtā, lai aizsargātu to no saules staru turpmākās iedarbības. Šo parādību sauc par iedegumu.

Saules gaismai ir arī labdabīga ietekme uz organismu. Tā iznīcina sēnītes un baktērijas, kas atrodas uz ādas. Saules gaismas ietekmē ādā rodas vielas, kas sašaurina asinsvadus. Tā rezultātā var paaugstināties asinsspiediens.

Turklāt saules gaisma organismā var aktivizēt zināmas šūnas, kas cīnās ar infekcijām. Ar šīs gaismas palīdzību tonizējas muskuļi, tiek stimulētas nervu sistēma. Organismā ultravioletie stari izraisa ķīmiskās pārmaiņas, kuru rezultātā rodas D vitamīns.

Ja nu mēs esam noskaidrojuši, ka saules gaisma dara tik daudz laba, vai tad nebūtu jāsecina, ka cilvēkam vajadzētu centies gūt pēc iespējas tumšāku iedegumu?

Uz šo jautājumu var atbildēt tā: ja zinām, ka saules gaisma uz organismu iedarbojas kā zāles, tad jāraugās, lai šīs zāles mēs saņemtu ar mēru. Ja tu gatavojies iet sauļoties, atceries, ka tas jādara pakāpeniski: dažas minūtes pirmajā dienā, nākamajā – piecas minūtes ilgāk un tā joprojām. Ja saulē uzturēsies pārlieku ilgi, tas var nodarīt ļaunumu gan ādai, gan visam organismam.

Komentāri (126)

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mike johnson
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20.09.2018. plkst. 18:25
mike johnson
Dear sir/ma, Are you a having one or two BG/SBLC specifically for lease difficulties from other financial instrument lender? I want you to take a chance with us you will never regret your partnership with our firm.We have direct and efficient providers. I am the sole mandate of a genuine efficient provider for lease/sales BG/ SBLC and other financial instruments, at reasonable prices, Insurance by top AAA rated Bank in Europe.Presently, we focus on BG/SBLC for Lease and Sale transactions, However, our Lease BG/SBLC/MTN is 6+2% and Sale at 32+2%. DESCRIPTION OF INSTRUMENTS: 1. Instrument: Bank Guarantee (BG/SBLC) (Appendix A) 2. Total Face Value: Eur 5M MIN and Eur 10B MAX (Ten Billion USD). 3. Issuing Bank: HSBC Bank London, Barclays, Credit Suisse and Deutsche Bank Frankfurt. 4. Age: One Year, One Month 5. Leasing Price: 6% of Face Value plus 2% commission fees to brokers. 6. Delivery: Bank to Bank swift. 7. Payment: MT-103 or MT760 8. Hard Copy: Bonded Courier within 7 banking days. We are ready to close leasing with any interested client in few banking days, Should you find this interesting and acceptable? Kindly, contact me and I shall review and respond with DOA within 24hrs maximum. Kind Regards, Mr. mike johnson Email: providentfinancialplc231@gmail.com Skype ID: providentfinancialplc101@hotmail.com
20.09.2018. plkst. 18:24
Raymond Doison
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17.09.2018. plkst. 16:07
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17.09.2018. plkst. 04:56
WE OFFER ALL KIND OF LOANS
We Offers Financial Consulting To Client, Companies Seeking Debt / Loan Financing And Seeking For Working Capital To Start A New Business Or To Expand Existing Business. Interested Parties Should Contact Us For More Information Through Via E-mail: SuiteCapitals@gmail.com ( SuiteCapitals@post.com )
11.09.2018. plkst. 12:33

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