Nke a trailer maka akwụkwọ film Ihe Akaebe nke Nsogbu na-egosipụta onye ọrịa nwere MS na-atụle njikọ ya na nsị amalgam mercury.

Otutu Sclerosis & Ngosipụta Mercury; Nchịkọta & Nkọwa

eze mekuri na otutu sclerosisA na-ahụkarị ọtụtụ sclerosis ("MS") na narị afọ nke iri na itoolu n'oge a na-ejikarị ngwongwo amalgam eme ihe. Ihe omuma a na-ekwuputaghi egosiputa na onu ogugu di nkpa, ma obughi ihe nile, ndi oria MS bu ndi mejuputara mercury / silver ha wepu idozi (ngbaghara onwe ha) ma obu imezi nke oma. Ihe omumu ihe omuma a akwadoro site na akwukwo ndi edeputara na 50 gara aga.

Dịka ọmụmaatụ, na ọrụ e bipụtara na 1966, Baasch kwubiri na otutu sclerosis bụ ụdị okenye nke acrodynia (ọrịa pink) na mmeghachi omume neuro-nfụkasị kpatara, n'ọtụtụ ọnọdụ, site na Mercury sitere na ndochi amalgam.1  Baasch kọrọ ọtụtụ okwu ụfọdụ akọwapụtara na-aga n'ihu na-egosi ọmụmụ na-aga n'ihu na mmelite nke mkpebi nke MS mgbe ewepụsịrị ọnụọgụ amalgam.

N'ime nyocha zuru ezu bipụtara na 1978, Craelius gosipụtara mmekọrịta siri ike (P <0.001) n’etiti ọnụego ọnwụ MS na caries eze.2  Ihe omuma a gosiputara enweghi ike na mmekorita a bu n'ihi ohere. E wepụrụ ọtụtụ ihe oriri dị ka ihe so akpata ya.

Nkwupụta okwu nke TH Ingalls, MD, na 1983 kwuru na ịlaghachi azụ nke Mercury site na ọwa mmiri ma ọ bụ ngwakọta amalgam nwere ike iduga MS na etiti afọ.3  Ọ nyochagharịkwara ọtụtụ data epidemiological nke gosipụtara mmekọrịta dị n'etiti ọnụọgụ ọnwụ site na MS na ọnụọgụ nke ire ere, efu, na ezé jupụtara. N'ime nnyocha e bipụtara na 1986, Ingalls tụrụ aro na ndị nyocha na-amụ ihe kpatara MS kwesịrị iji nlezianya nyochaa akụkọ gbasara eze nke ndị ọrịa.4

Mmụta ndị ọzọ gara n'ihu igosipụta njikọ dị n'etiti MS na mercury. Dịka ọmụmaatụ, nchọpụta nke Ahlrot-Westerlund sitere na 1987 chọpụtara na ndị ọrịa MS nwere okpukpu asatọ nke ọkwa mercury nkịtị na mmiri ọgwụ ụbụrụ ha ma e jiri ya tụnyere njikwa ahụike na-adịghị mma.5

Ọzọkwa, ndị nyocha Siblerud na Kienholz nke Rocky Mountain Research Institute, Inc., nyochara echiche bụ na Mercury sitere na ngwakọta amalgam metụtara MS na ọrụ e bipụtara na 1994.6  Ọ jiri nyocha ọbara tụnyere n'etiti isiokwu MS ndị wepụrụ amalgams ha yana ndị MS na amalgams:

Achọpụtara ndị isi MS nwere amalgams nwere obere mkpụrụ ndụ ọbara uhie, hemoglobin, na hematocrit ma e jiri ya tụnyere isiokwu MS na iwepụ amalgam. Ọnọdụ Thyroxine dịkwa obere na otu amalgam, ha nwekwara ọkwa dị ala nke mkpokọta T Lymphocytes na T-8 (CD8) sel. Amtù ndị amalgam MS nwere oke urea nitrogen na ọbara IgG dị ala karị. Igwe ntutu dị elu dị elu karịa na isiokwu MS ma e jiri ya tụnyere ndị na-abụghị MS njikwa. Ajuju nyocha ahu ike choputara na ndi isi ochichi MS na amalgams kariri ihe kariri (33.7%) n'ime onwa iri abuo gara aga ma e jiri ya tụnyere ndi oru afọ ofufo nke MS na iwepu amalgam. 7

Ọrụ nke myelin, ihe nke na - enyere ụbụrụ aka izipu ozi na ahụ, bụ akụkụ dị mkpa nke nyocha MS, na MELISA Foundation ewepụtala ihe ha kwenyere na ọ bụ ngbanwe dị na nghọta MS site na ịmara njikọ dị n'etiti nrịanrịa nke ọla na mbuze. nke myelin.  Na nyocha ebipụtara na 1999, Stejskal na Stejskal kwuru na mmeghachi omume na-akpata site na ngwongwo ígwè na-abanye n'ahụ nke onye na-arịa nfụkasị ahụ.8  Ngwurugwu ndị a jikọtara na myelin, na-agbanwe usoro protein ya. N’ebe ndị mmadụ na-atụgharị uche, ihe owuwu ọhụrụ (myelin gbakwunyere ngwongwo igwe) ka amatara n’ụzọ ụgha dị ka onye mbịambịa si mba ọzọ ma wakpo ya (mmeghachi omume autoimmune). Onye mere ya yiri ka ọ bụ "akwa mbadamba" na ụbụrụ, bụ nke a na-ahụkarị na ndị ọrịa nwere MS. Ihe mgbochi dị otú ahụ nwere ike ịbụ nsonazụ nke ọla. N'oge na-adịghị anya, MELISA Foundation malitere ide akwụkwọ na ndị ọrịa nwere nsogbu autoimmunity na-ele mmadụ anya n'ihu na, na ụfọdụ, na-agbake kpamkpam site na iwepu isi iyi nke ọla-na-abụkarị ihe eze.9

Otu omumu ihe omumu nke Bates et al. bipụtara na 2004 gụnyere nyochaa ihe ndekọ ọgwụgwọ nke ndị mmadụ 20,000 na New Zealand Defense Force (NZDF).10  Ndị nyocha ahụ chọrọ inyocha njikọ dị n'etiti amalgam eze na ahụike, na nchọta ha mere ka ha tụlee njikọ dị "ike siri ike" n'etiti MS na ikpughe eze. Ọzọkwa, atọ e bipụtara na mbụ MS ikpe njikwa ọmụmụ nke kwubiri na ọ dịghị nnukwu mkpakọrịta na eze amalgam mercury ndochi11 12 13 achoputara site na Bates et al. dị ka nwere njedebe dị iche iche. Ọbụna karịa, Bates na ndị ọrụ ibe ya kwuru na ọ bụ naanị otu n'ime ọmụmụ atọ ahụ jiri okwu ikpe na ndekọ eze, na otu nnyocha ahụ mepụtara atụmatụ dị egwu dị elu maka ọnụ ọgụgụ ka ukwuu nke amalgam mercury.14

A nyochachara usoro nke akwụkwọ banyere amalgam eze na otutu sclerosis nke ndị nyocha Canada duziri ma bipụta ya na 2007.15  Mgbe Aminzadeh et al. kọrọ na nsogbu ọnụọgụ nke MS n'etiti ndị na-ebu amalgam na-agbanwe agbanwe, ha tụrụ aro na ọ bụ ntakịrị mmụba na-abụghị nke ọnụ ọgụgụ. Otú ọ dị, ha kwuru banyere njedebe nke ọrụ nke ha ma nyekwa ndụmọdụ na ọmụmụ ihe n'ọdịnihu ga-eburu ihe ndị ọzọ dị ka ọnụ ọgụgụ amalgam, elu ala, na oge ikpughe mgbe ị na-enyocha njikọ ọ bụla dị n'etiti amalgam eze na MS.

Mmadụ iri asaa na anọ na-arịa ọrịa MS na ndị ọrụ afọ ofufo iri asaa na anọ siri ike bụ isiokwu nke ọmụmụ ndị Iran nke Attar et al. bipụtara na 2011.16  Ndị nnyocha ahụ chọpụtara na ogo ọgwụ mercury na ndị ọrịa MS dị elu karịa njikwa. Ha kwuru na ogo dị elu nke Mercury na ọbara nwere ike bụrụ ihe na - akpata ọtụtụ ọrịa sclerosis.

Na 2014, Roger Pamphlett nke Mahadum Sydney dị n'Australia nwere nkwupụta ahụike metụtara ahụike nke bipụtara nke jikọtara ndị na-egbu egbu gburugburu ebe obibi, gụnyere Mercury, na nsogbu nke usoro ụjọ nke etiti.17  Mgbe ọ kọwasịrị mmetụta nke ndị na-egbu egbu na mmetụta ọ na-enwe n'ahụ, ọ tụrụ aro, sị: “Ihe nkwụsị nke noradrenaline na-emetụta ọtụtụ mkpụrụ ndụ CNS ma nwee ike ịkpalite ọtụtụ ọrịa neurodegenerative (Alzheimer, Parkinson and motor neuron disease), demyelinating (multiple sclerosis), na ọnọdụ uche isi mgbaka (isi ịda mbà n'obi na ọrịa imetụ mmadụ n'isi). ”18

Nnyocha e bipụtara na 2016 gosiri na Pamphlett chịkọtara ihe akaebe iji kwado echiche ya. Ya na onye otu ya na-amụrụ ihe ọmụmụ sitere na 50 ndị dị afọ 1-95.19  Ha chọpụtara na 33% nke ndị agadi 61-95 nwere ọla dị arọ dị na interneurons ha (ebe nwata anaghị). Nnyocha ahụ mere ka ha kwubie: "Mmebi nke interneurons na-egbochi ihe na-egbu egbu na ndụ nwere ike ịkpata mmerụ ahụ na-adịghị mma na motoneurons ma nwee ike ibute mmerụ motoneuron ma ọ bụ nhụjuanya n'ọnọdụ dịka ALS / MND, ọrịa sclerosis, sarcopenia na nwa ehi."20

Ọzọ ọmụmụ bipụtara na 2016, site n'aka ndị na-eme nchọpụta na Mahadum North Carolina, forlọ Ọrụ Maka Nchịkwa na Mgbochi Ọrịa, na Mahadum Duke, tụlekwara njikọ dị n'etiti ọla dị arọ na ọtụtụ sclerosis.21  E tinyere ndị mmadụ 217 nwere njikwa MS na 496 n'ọmụmụ ihe nchịkwa nke ndị mmadụ, nke ezubere iji nyochaa mmekọrịta dị n'etiti ikpughe, mercury, na ihe mgbaze na 58 otu nucleotide polymorphisms dị na mkpụrụ ndụ ihe nketa MS. Napier et al. achọpụta na ndị mmadụ n'otu n'otu nwere MS nwere ike karịa njikwa iji kọọ ụzọ na ikpughe Mercury.

Ọ dịkwa mkpa iburu n'uche na ọtụtụ akụkọ ihe mere eme bipụtara n'ime afọ 25 gara aga, na mgbakwunye na ụfọdụ nyocha ndị a kpọtụrụ aha n'elu, edeela ikike ndị ọrịa MS nwere ike nweta ọkwa dịgasị iche iche nke mmụba ahụike mgbe ewepụchara ngwakọta ha. Nnyocha nke Redhe na Pleva bipụtara na 1993 mere ka ihe atụ abụọ sitere na ihe karịrị 100 ọrịa na-atụle mmetụta nke immunological nke amalgam eze.22  Ha tụrụ aro na iwepụ amalgam na-ewepụta nsonaazụ bara uru na ụfọdụ nke MS. Dị ka ihe atụ ọzọ, otu ọmụmụ nke Huggins na Levy bipụtara na 1998 gosipụtara na iwepụ amalgams eze, mgbe a na-eduzi ọgwụgwọ ndị ọzọ, gbanwere njirimara fotolabeling nke protein protein cerebrospinal fluid na ndị nwere MS.23

Ihe atụ ndị ọzọ na-enyekwa ihe akaebe nke uru bara uru nke iwepụ amalgam na ndị ọrịa MS. Nnyocha sitere na MELISA Foundation bipụtara na 2004 enyocha mmetụta ahụike nke mwepụ amalgam na ndị ọrịa na-arịa ọrịa mercury na-ejide onwe ha, na mmụba kachasị elu mere na ndị ọrịa nwere MS.24  Tụkwasị na nke ahụ, otu akụkọ ihe mere eme bipụtara na 2013 site n'aka ndị nchọpụta documenttali dere na onye ọrịa nwere MS bụ onye wepụrụ ihe ndị mejupụtara meberekuri wee gwọọ chelation (ụdị detoxification a).25  Ndị nnyocha ahụ, otu onye n'ime ha na Minista Ahụike na intali, dere na ihe akaebe e gosipụtara na-egosi "nkwenye nke TMP [nsị nke nsị na-egbu egbu] dị ka ihe na-akpata gburugburu ebe obibi ma ọ bụ iatrogenic maka MS, ọkachasị mgbe ezughị oke zuru oke dị na mgbọrọgwụ. ” 26

Ọ bụ ezie na nyocha dị mkpa iji chọpụta oke mmekọrịta dị n'etiti Mercury na MS, akwụkwọ sayensị ndị e bipụtara n'ime afọ 50 gara aga na-aga n'ihu na-egosi na ikpughe Mercury site na amalgams dental, yana site na ihe ọ bụla ọzọ na-adịghị ala ala nke Mercury, ga ka echebara ya echiche siri ike maka oke ọghọm dị na etiology nke MS. A ghaghi icheta na ihe ngosi ndi ozo na-egbu egbu nwere ike igwu egwu dika ndi ozo, nke na enyere aka ikowa ihe kpatara ufodu ndi oria MS na-enweghi onu ogwu amalgam ma obu ihe ndi ozo mara amara. Dịka ọmụmaatụ, nnyocha e bipụtara na 2016 site n'aka ndị nchọpụta na Taiwan jikọtara MS iji duga mgbasa na ala.27

Ọ dịkwa mkpa icheta bụ na n'ozuzu ya, nchọpụta kachasị ugbu a na-egosi na ihe kpatara MS bụ ihe nwere ike ịme ọtụtụ ihe. Ya mere, a pụrụ ile Mercury anya dị ka naanị otu ihe nwere ike ibute ọrịa a, yana ngosipụta ndị ọzọ na-egbu egbu, mkpụrụ ndụ ihe nketa, ọnụnọ nke mgbarụ igwe, na ọtụtụ ọnọdụ ndị ọzọ na-arụ ọrụ dị na MS.

References

  1. Baasch E. Theoretische Überlegungen zur Ätiologie der Sclerosis otutu. Schweiz. Njiko. Neurol. Neurochir. Ọrịa. 1966; 98: 1-9.
  2. Craelius W. Comparative epidemiology nke otutu sclerosis na eze caries. Akwụkwọ nke Epidemiology na Community Health. 1978 Sep 1; 32 (3): 155-65.
  3. Ingall TH. Epidemiology, etiology, na mgbochi nke otutu sclerosis: Nkwupụta na eziokwu. Akwụkwọ bụ American Journal of Forensic Medicine and Pathology. 1983 Mar 1; 4 (1): 55-62.
  4. Ingalls T. Na-akpata maka otutu sclerosis. The Lancet. 1986 Jul 19; 328 (8499): 160.
  5. Ahlrot-Westerlund B. Otutu Sclerosis na Mercury na cerebrospinal ọmụmụ. Na Nnọkọ Nordic nke abụọ na Trace Elements na Ahụike Mmadụ, Odense, Denmark 1987 Ọgọst.
  6. Siblerud RL, Kienholz E. Ihe akaebe na Mercury sitere na ọlaọcha na-ehicha ọla ọcha nwere ike ịbụ ihe na-emetụta ụbụrụ na otutu sclerosis. Sayensị nke Gburugburu Ebe Obibi. 1994 Mar 15; 142 (3): 191-205.
  7. Siblerud RL, Kienholz E. Ihe akaebe na Mercury sitere na ọlaọcha na-ehicha ọla ọcha nwere ike ịbụ ihe na-emetụta ụbụrụ na otutu sclerosis. Sayensị nke Gburugburu Ebe Obibi. 1994 Mar 15; 142 (3): 191-205.
  8. Stejskal J, Stejskal VD. Ọrụ nke ọla na autoimmunity na njikọ na neuroendocrinology. Akwụkwọ edemede Neuroendocrinology. 1999;20(6):351-66.
  9. Stejskal VD, Danersund A, Lindvall A, Hudecek R, Nordman V, Yaqob A, Mayer W, Bieger W, Lindh U. Akwụkwọ edemede Neuroendocrinology. 1999; 20: 289-98.
  10. Bates MN, Fawcett J, Garrett N, Cutress T, Kjellstrom T. Mmetụta ahụike nke ikpughe amalgam eze: nyochaghachi ndị otu nyocha. Akwụkwọ nke International Journal of Epidemiology. 2004 Ọgọsi 1; 33 (4): 894-902.
  11. Bangsi D, Ghadirian P, Ducic S, Morisset R, Ciccocioppo S, McMullen E, Krewski D. Dental amalgam na otutu sclerosis: ọmụmụ ikpe-ikpe na Montreal, Canada. Akwụkwọ nke International Journal of Epidemiology. 1998 Ọgọsi 1; 27 (4): 667-71.
  12. Casetta I, Invernizzi M, Granieri E. Otutu sclerosis na eze amalgam: ọmụmụ ikpe-ikpe na Ferrara, Italy. Ọrịa Neuroepidemiology. 2001 Mee 9; 20 (2): 134-7.
  13. McGrother CW, Dugmore C, Phillips MJ, Raymond NT, Garrick P, Baird WO. Otutu sclerosis, caries eze na ndochi: ọmụmụ ikpe-ikpe. Akwụkwọ akụkọ eze British. 1999 Sep 11; 187 (5): 261-4.
  14. Edere dị ka Bangsi D, Ghadirian P, Ducic S, Morisset R, Ciccocioppo S, McMullen E, Krewski D. Dental amalgam na otutu sclerosis: ọmụmụ ikpe-ikpe na Montreal, Canada. Akwụkwọ nke International Journal of Epidemiology. 1998 Ọgọsi 1; 27 (4): 667-71.

Na Bates MN, Fawcett J, Garrett N, Cutress T, Kjellstrom T. Mmetụta ahụike nke ikpughe amalgam eze: nyochaghachi ndị otu nyocha. Akwụkwọ nke International Journal of Epidemiology. 2004 Ọgọsi 1; 33 (4): 894-902.

  1. Aminzadeh KK, Etminan M. Dental amalgam na multiple sclerosis: A nyochaa usoro nyocha na meta-analysis. Akwụkwọ nke Dentistry Ahụike ọha na eze. 2007 Jenụwarị 1; 67 (1): 64-6.
  2. Attar AM, Kharkhaneh A, Etemadifar M, Keyhanian K, Davoudi V, Saadatnia M. Serum mercury larịị na otutu sclerosis. Nchọpụta Ihe Ndị Na-akpata Ọgwụ. 2012 Mee 1; 146 (2): 150-3.
  3. Pamphlett R. pt ofụ ọgwụ ndị na-egbu egbu gburugburu ebe obibi site na locus ceruleus: ihe nwere ike ịkpalite neurodegenerative, demyelinating and psychiatric disorders. Mkpụrụ Ahụike Ahụike. 2014 Jenụwarị 31; 82 (1): 97-104.
  4. Pamphlett R. pt ofụ ọgwụ ndị na-egbu egbu gburugburu ebe obibi site na locus ceruleus: ihe nwere ike ịkpalite neurodegenerative, demyelinating and psychiatric disorders. Mkpụrụ Ahụike Ahụike. 2014 Jenụwarị 31; 82 (1): 97-104.
  5. Pamphlett R, onye Juu SK. Mgba Ọrịa metụtara Afọ na Nnukwu Ọbara Humanmụ Mmadụ. PloS Otu. 2016 Sep 9; 11 (9): e0162260.
  6. Pamphlett R, onye Juu SK. Mgba Ọrịa metụtara Afọ na Nnukwu Ọbara Humanmụ Mmadụ. PloS Otu. 2016 Sep 9; 11 (9): e0162260.
  7. Napier MD, Poole C, Satten GA, Ashley-Koch A, Marrie RA, Williamson DM. Ngwongwo di egwu, ihe ndi ozo, na otutu sclerosis: Anyocha nyocha banyere mmekorita ndi mmadu. Ebe nchekwa nke gburugburu ebe obibi na Ahụike. 2016 Jenụwarị 2; 71 (1): 26-34.
  8. Redhe O, Pleva J. Iweghachite site na amyotrophic mpụta sclerosis na site na nke nfụkasị mgbe mwepụ nke eze amalgam fillings. Akwụkwọ bụ International of Risk and Safety in Medicine. 1993 Dec;4(3):229-36.
  9. Huggins HA, Levy TE. Cerebrospinal mmiri mmiri protein na-agbanwe na otutu sclerosis mgbe eze amalgam mwepụ. Nnyocha Ọgwụ ọzọ. 1998 Ọgọstị; 3: 295-300.
  10. Prochazkova J, Sterzl I, Kucerova H, Bartova J, Stejskal VD. Mmetụta bara uru nke nnọchi amalgam na ahụike na ndị ọrịa nwere autoimmunity. Akwụkwọ edemede Neuroendocrinology. 2004 Jun 1; 25 (3): 211-8.
  11. Zanella SG, di Sarsina PR. Nhazi nke ọgwụgwọ sclerosis otutu: iji usoro ọgwụgwọ chelation. Nyochaa: Journal of Science and Healing. 2013 Ọgọsi 31; 9 (4): 244-8.
  12. Zanella SG, di Sarsina PR. Nhazi nke ọgwụgwọ sclerosis otutu: iji usoro ọgwụgwọ chelation. Nyochaa: Journal of Science and Healing. 2013 Ọgọsi 31; 9 (4): 244-8.
  13. Tsai CP, Lee CT. Otutu nsogbu sclerosis metụtara na ndu ala na ihe ndi arsenic na Taiwan. PloS Otu. 2013 Jun 17; 8 (6): e65911.

IAOMT nwere ọtụtụ ihe ndị ọzọ metụtara isiokwu a:

Dental Mercury Nkeji edemede

( Onye nkuzi, Onye na-eme ihe nkiri, onye na-ahụ maka ọdịmma mmadụ )

Dr. David Kennedy na-eme dentistry maka ihe karịrị afọ 30 ma lara ezumike nká na ụlọ ọgwụ na 2000. Ọ bụ Onye isi oche gara aga nke IAOMT ma kụziere ndị dọkịta ezé na ndị ọkachamara ahụike ndị ọzọ n'ụwa nile banyere isiokwu nke mgbochi eze ahụike, mercury toxicity, na fluoride. A na-amata Dr. Kennedy gburugburu ụwa dị ka onye na-akwado maka mmiri ọṅụṅụ dị mma, dentistry bayoloji na ọ bụ onye ndu a ma ama na ngalaba nke mgbochi eze. Dr. Kennedy bụ onye odee na onye ntụzi ihe nkiri na-emeri ihe nkiri Fluoridegate.

Dr. Griffin Cole, MIAOMT nwetara Mastership ya na International Academy of Oral Medicine and Toxicology na 2013 wee depụta broshuọ Fluoridation Academy na nyocha sayensị sayensị na ojiji ozone na usoro ọgwụgwọ mgbọrọgwụ. Ọ bụ onye isi oche gara aga nke IAOMT ma na-eje ozi na Board of Directors, Kọmitii Mentor, Kọmitii Fluoride, Kọmitii Mgbakọ na ọ bụ onye isi nchịkwa isi.

Pịa ebe a maka pdf mbipute nke akwụkwọ a yana amaokwu sayensị
Onye ọrịa na-arịa ọrịa n'ihe ndina ya na dọkịta na-ekwurịta mmeghachi omume na mmetụta ndị ọzọ n'ihi nsị nke Mercury
Ihe mejupụtara Mercury: Dental Amalgam Side Effects na Mmeghachi omume

Mmeghachi omume na nsonaazụ eze nke amalgam mercury na-ejuputa na-adabere n'ọtụtụ ihe ize ndụ dị iche iche.

Ihe mejupụtara Mercury: Dental Amalgam Side Effects na Mmeghachi omume
Mercury Poisoning Symptoms na Dental Amalgam mejupụtara

Dental amalgam mercury na-ejuputa na-anọgide na-ahapụ vepo ma nwee ike ịmepụta ọtụtụ mgbaàmà nsị nke mercury.

Mercury Poisoning Symptoms na Dental Amalgam mejupụtara
A Comprehensive Review nke Mmetụta nke Mercury na Dental Amalgam Fillings

Ihe nyocha 26 a zuru ezu site na IAOMT gụnyere nyocha banyere ihe ize ndụ nye ahụike mmadụ na gburugburu ebe obibi site na Mercury na njuju amalgam.

IAOMT Nyocha zuru oke na Dental Amalgam

Kekọrịta edemede a na soshal midia