Smoking (current or former)

Chronic use of medications, including oral contraceptives

Major medical or psychiatry illness (e.g. diabetes, fibromyalgia, major depression/anxiety)

Pregnant or nursing

Allergies or sensitivity to any of the ingredients of the meal

Inability to fast for 10 hours and/or abstain from caffeine intake for 24 hours

Treatment with antibiotics or steroids within the previous 3 months

Treatment with NSAIDs within the previous 1 week

Migraine headaches, or headaches other than tension-type headaches with a frequency of 1 or fewer days per month

Migraine and CVD Risk in Women