If you’re having ice cream headaches often, it might be worth seeing if it runs in your family and taking a second look at your non-brain-freeze headaches too. It's a sweltering summer day and you're tucking into your favourite frozen treat when suddenly it feels like you've taken an icepick to the forehead. A sharp, stabbing pain appears to come from deep within your brain. All you can do is sit there, feeling foolish as your ice cream drips, until the pain wears off. "Ice cream headache is