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.
Changes in Brain's Blood Flow Could Cause 'Brain Freeze'. Apr. 22, 2012 â 'Brain freeze' is a nearly universal experience -- almost everyone has felt the near-instantaneous headache brought on by a bite of ice cream or slurp of ice-cold soda on the upper palate. ... read more.