Neck Tie and Health Issue

Health issues
Is neck tie hazourdous for health? Opponents of necktie wearing have cited risks associated with the wearing of neckties as an argument for discontinuing the practice. These risks have primarily involved entanglement, infection, and vascular constriction. The risk of entanglement is generally well understood by people working around machinery or in situations where person-to-person confrontation may occur (e.g., police and prison personnel, and in certain medical fields). The answer is generally to avoid wearing ties, or use the clip-on variety which detach from the wearer when grabbed.
The risk of vascular constriction, in cases where ties are worn with over-tight collars, has been noted. Studies have shown an increase in intraocular pressure in these cases which can worsen the condition of people with already weakened retinas.There may be additional risks for people with glaucoma. In all cases sensible precautions can mitigate these risks; the danger lies in lack of awareness of the risks. Paramedics performing basic life support remove the tie from a victim as one of the very first steps when a victim is unconscious or has difficulty breathing to ensure it does not compromise the airway.
Ties can also be a health risk for persons other than the wearer. Ties worn by people working in medical professions are known as major vectors in the transmission of disease within hospitals. Notwithstanding this problem, doctors and dentists traditionally wear ties to project a professional image. The risk of cross-infection of patients by doctors wearing ties is being treated seriously by hospitals, it being noted that ties are cleaned less often than most items of clothing and can carry bacteria. In fact, on September 17, 2007, new rules were published for British hospitals to ban neckties. Doctors routinely lean across patients and ties frequently come into contact with patients — although this can be countered somewhat by a tie bar. As a result, bow ties have traditionally been popular with doctors. Medical professionals can mitigate this problem by changing into a newly washed tie each day.
Anti-necktie sentiment

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In the early 20th century, the number of office workers began increasing. Many such men and women were required to wear neckties, because it was perceived as improving work attitudes, morale, and sales.
Removing the necktie as a social and sartorial business requirement (and sometimes forbidding it) is a modern trend often attributed to the rise of popular culture. Although it was common as everyday wear as late as 1966, over the years 1967–69, the necktie fell out of fashion almost everywhere, except where required. There was a resurgence in the 1980s, but in the 1990s, ties again fell out of favor, with many Internet-based (i.e. dot-com) companies having very casual dress requirements.
Casual Fridays has become a very popular tradition, in which employees were not required to wear ties on Fridays, and then — increasingly — on other, announced, special days. Some businesses extended casual-dress days to Thursday, and even Wednesday; others required neckties only on Monday (to start the work week). At the furniture company IKEA, neckties are not allowed.
An extreme example of anti-necktie sentiment is found in Iran, whose theocratic rulers have denounced the accessory as a decadent symbol of Western oppression. In the late 1970s (at the time of the Islamic Revolution) members of the US press even metonymized Iran's hardliners as turbans and its moderates as neckties. To date, most Iranian men have retained the Western-style long-sleeved collared shirt and three-piece suit, while excluding the necktie.