"...unless a justification for them can be given, they are illegitimate."

Religion ruins everything - Vitamin D – could it stop 'modern’ diseases? - Telegraph:

"...after the Islamic revolution in 1979, women were compelled by law to wear the veil outdoors together with clothing covering most of the body. Between 1989 and 2006, the incidence of MS in Iran increased more than eight fold, from an incidence of about one case in 100,000 to nearly one in 10,000 in the city of Isfahan."