In recent years, studies have shown that multiple sclerosis (MS) incidence has greatly
increased in different geographical areas of Iran (
Pakdel et al., 2020
;
Hosseinzadeh et al., 2021
). The increases in MS incidence in Iran are usually attributed to obesity and overweight
childhood, cigarette and waterpipe smoking, vitamin D deficiency, urbanization, industrialization,
and air pollution (
Amiri, 2021
;
Hosseinzadeh et al., 2019
;
Asmarian et al., 2021
). However, one of the most important factors that may be related to the increase
of MS incidence in Iran and has been neglected is the “Will Rogers phenomenon".To read this article in full you will need to make a payment
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Reference
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Article info
Publication history
Published online: October 05, 2022
Accepted:
October 4,
2022
Received in revised form:
September 24,
2022
Received:
September 12,
2022
Identification
Copyright
© 2022 Elsevier B.V. All rights reserved.
