Migraine is a neurological health condition that causes intense headaches. They occur in episodes when exposed to specific stimuli. Common triggers include loud sounds, fatigue, weather changes, and bright lights. Though the precise cause is unknown, it is clear that the propensity to get migraines and even the particular triggers can be transferred through heredity from parents. The following is a comprehensive account of foods and smells that trigger migraine and cities that are particularly problematic migraine hotspots.

Foods that trigger migraines
Food and beverages can provoke migraines on their own, as well as in combination with other triggers. Combinations and triggers are highly individualized; thus, there are no universal triggers. However, some foods are more common detonators than others and are listed below, so you can watch out for them. Always consult a doctor about food modifications to ascertain what affects you and what does not.

• Foods with MSG
  Monosodium glutamate, or MSG, exists naturally in the body but is also present in certain foods. Though safe to eat in minute proportions and widely used as a food additive, these might activate migraine attacks. Other food preservatives may also cause migraines.
• Aged cheeses
  Aged cheeses like feta, blue cheese, and Parmesan all contain a compound called tyramine. It causes the breakdown of proteins as the cheese ages; hence, the older the cheese, higher is the tyramine content. This compound is known to trigger migraines and headaches in some people.
• Spicy foods
  Though spicy food can be good for your health when consumed now and then and does wonders for a sinus headache, it can be problematic if you suffer from migraines. Chilli peppers are particularly detrimental when compared to other spicy ingredients. Spicy food activates TRP pain receptors, and individuals with a high risk of migraines have sensitive receptors. So it is best to avoid spicy foods because they can trigger migraines.
• Cured meats
  Deli meats, ham, sausages, and hot dogs are cured meats that tend to trigger migraines. These food items contain preservative nitrates, which preserve the color and flavor of the meat. However, they release nitric oxide into the blood, dilating blood vessels. This process is known to contribute to migraines.
• Caffeinated beverages
  Though caffeine can help relieve a regular headache, it can be problematic when you suffer from migraines. If you have a daily habit of drinking coffee, you are likely to become dependent on it, and intake of less than 80 mg could bring on a headache. Caffeine is also present in other drinks as well as foods like chocolate.
• Artificial sweeteners
  Artificial sweeteners like aspartame and sucralose tend to worsen migraines. They not only trigger headaches, but their regular use could also increase the frequency and duration of the migraines.

Smells and migraines
If you suffer from chronic migraines, you will likely experience headaches when exposed to strong smells. More than half of the individuals who suffer from chronic migraines tend to be intolerant of intense scents. It is called osmophobia and is unique to those with migraines. Headaches triggered by smells are more likely to be accompanied by nausea and are typically more severe.

Osmophobia
There could also be psychological causes related to smell that triggers migraine headaches. The aversive reaction to smells during a migraine attack is quite unpleasant. Osmophobia can result from being disgusted by particular food odors or cooking smells, or you may feel like the food is rotten. The disgust can also manifest along with anxiety which worsens the migraine. It is a common psychological feature associated with migraine attacks, just like phonophobia and photophobia.

Smells that trigger migraines
Though several smells can cause migraines and the feelings of disgust vary from individual to individual, there are some familiar strong odors that trigger migraines. Cigarette smoke, perfume, smells of pungent food, pesticides, car exhaust, nail polish, solvents, and detergents are some triggers.

Cities that are migraine hotspots
Since migraines have several triggers, food, weather, light, sound, smell, and the environment plays a vital role in maintaining the health of those with chronic migraines. Some lifestyle factors that contribute to migraines are the frequency of sunburns, frequency of exercise, plane travel, overtime work hours, and the incidence of sleeping trouble. Factors related to the environment, like extreme temperatures, and rapidly changing weather, and other factors, such as reduced access to emergency health care, can worsen the condition of a patient. Keeping these in mind, the following are five cities with a high prevalence of migraines – Cincinnati, Ohio; Knoxville, Texas; Madison, Wisconsin; Nashville, Texas and St. Louis, Missouri.

Home remedies for migraine
Though migraine is best handled with the help of a general practitioner and their prescriptions, it is also possible to reduce the intensity and frequency of migraines with some home remedies.

• Exercise
  Physical activity produces endorphins, natural opioids, that help ease stress and pain in your body. Regular work out keeps the body healthy and can reduce the frequency of migraines. Remember not to exercise when you have a headache, but do it when you are healthy. Take help from a professional trainer if necessary.
• Essential oils
  Peppermint oil contains menthol, a compound that has the ability to manage migraine symptoms. In addition, lavender oil can be added to your diffuser, inhaled directly, or even diluted with a carrier oil like almond or coconut and applied to the temples. When used regularly, these have the potential to minimize the frequency and severity of migraine attacks.
• Stress management
  More than 80% of people with migraines report stress as one of their triggers. Managing stress could decrease the frequency of migraines. Some stress management techniques are deep breathing, yoga, meditation, Tai Chi, counseling or psychotherapy, progressive muscle relaxation, music therapy, and mental imagery.