I’ve got a list of surprising headache triggers and helpful remedies.

Stressful relationships can trigger a headache. That’s because when we’re anxious, we tend to take shorter breaths, leaving us oxygen-deprived. Our body tries to compensate by constricting blood vessels…And that constriction can cause head pain. So, when you feel overwhelmed, try the 2-5-5-5 method: Take 2 minutes, and breathe in for 5 seconds, hold it for 5, then breathe out for 5.

Aromas. 1 in 50 headache sufferers are sensitive to specific “trigger smells”, like gasoline, tobacco, and perfume. If that’s you, carry a bottle of essential oils to sniff when you’re around trigger smells. Especially lavender, which has been shown to boost relaxation, or peppermint, which reduces pain.

A sunny day. According to the Northern California Headache Clinic, the glare of the sun bouncing off water, pavement, glass or snow interferes with the area of the brain that controls pain…Which can cause an instant migraine. So, try wearing sunglasses with polarized lenses, and putting them on before you step outside.