Are you an avid gum-chewer? Do you experience frequent headaches? If you answered "yes" to both questions, then chances are that the former causes the latter. A new Israeli study has shown that for young people with chronic headaches, giving up gum is the magic trick.

Painkilling, anti-inflammatory drug may help prevent headaches in Jews abstaining from eating for 25 hours on Yom Kippur, Muslims fasting from dawn to dusk for Ramadan, according to research conducted in Israel.