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.
Report Abuse. i agree with the other answers that man is the most dangerous. but i figure your not talking about biological creatures. in that case it would be water. water brings tidal waves, floods, mud slides and when frozen you get blizzards and ice storms.Tom R Â· 7 years ago. Thumbs up.eport Abuse. i agree with the other answers that man is the most dangerous. but i figure your not talking about biological creatures. in that case it would be water. water brings tidal waves, floods, mud slides and when frozen you get blizzards and ice storms. Tom R Â· 7 years ago. Thumbs up.