claim: Anxiety has been linked with physical symptoms.
evidence: Tak-e Sifi -LRB- تكسيفي , also Romanized as Tak-e Sifi ; also known as Kalat-e Sifi -RRB- is a village in Baqeran Rural District in the Central District of Birjand County , South Khorasan Province , Iran .. Province. Provinces of Iran. South Khorasan. South Khorasan Province. County. Counties of Iran. Birjand. Birjand County. Central. Central District ( Birjand County ). Rural District. Rural Districts of Iran. Baqeran. Baqeran Rural District. Baqeran Rural District. Baqeran Rural District. Central District. Central District ( Birjand County ). Birjand County. Birjand County. South Khorasan Province. South Khorasan Province. Iran. Iran. At the 2006 census , its existence was noted , but its population was not reported .