1 But in some cases they are left in place for up to 6 weeks.  Walking casts, splints, special shoes, or wooden shoes are sometimes used. Regular shoes can sometimes be worn in about 4 to 5 weeks, but some procedures require wearing special shoes for about 8 weeks after surgery.
No. Brain freeze is a headache most commonly associated with the quick consumption of cold substances, such as ice cream. When the cold substance comes into contact with you â¦ r palate or the roof of your mouth and sinus cavities it causes the blood vessels to vasoconstrict or get smaller.
And no, there's no long-term deprivation, because your brain cells die within mere minutes of oxygen deprivation. And yes, it is very dangerous. Among the more sneaky to watch out for: Transient ischemic attack (TIA), is often referred to as a mini-stroke.