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More on migraines

Harvard Medical School offers the latest information about the nastiest of headaches, the migraine.

Migraines are often marked by pulsing pain on one side of the head, sometimes with nausea and sensitivity to light and sound, sometimes with aura beforehand strange visual disturbances like zigzagging lines or flashing lights.

The causes of migraines are uncertain, though one prevailing theory is theyre caused by waves of brain cell activity and inflammation.

Triggers include excessive noise, lights, smells, lack of sleep, menstruation, alcohol or certain foods.

Help prevent migraines by avoiding your triggers; keeping a regular schedule including exercise, sleep and nutritious meals; and wearing blue- or green-tinted glasses to reduce light sensitivity.

Medications such as beta blockers, tricyclic antidepressants and anticonvulsants can help but have side effects.

Tristan drugs can cut short an attack, and pain relievers like ibuprofen and naproxen help with mild attacks, but beware of tolerance from overuse that leads to more headaches.

Arms length

Toddlers may benefit, a study has found, from the greater leeway they sometimes get with fathers.

In a study in "Early Child Development and Care," fathers tended to give their children more room to do exploratory activities, such as climbing stairs or being near a stranger. …