Episodic migraines linked to obesity

 Posted by Neill Abayon

People who have the occasional migraine are more likely to suffer from obesity, compared with those who do not have migraines, according to a study published in the journal Neurology.

Previous studies have demonstrated a link between people with chronic migraines and obesity, the researchers say. But they add that the research has been conflicting on whether the link is relevant to people who have less frequent migraine attacks.

Researchers from the Johns Hopkins University School of Medicine in Baltimore, MD, conducted a study of 3,862 people whose average age was 47.

All participants were required to complete surveys disclosing information on their height, weight and migraine regularity.

Of the participants, 1,044 were obese, while 188 suffered from occasional or episodic migraines - defined as having fewer than 14 migraines every month.

Results of the analysis showed that participants who were obese were 81% more likely to have episodic migraine of any frequency, compared with people of normal weight.

The research also showed that those under the age of 50 who were obese were 86% more likely to suffer from episodic migraine, and this risk did not increase in those over the age of 50.

Additionally, the risk of episodic migraine increased in women who were obese but not men.

The researchers say that while this may indicate that the link between migraine and obesity is absent in men, it more likely suggests that the relationship between obesity and migraine is stronger in women. They add that further research is needed to determine if this is the case.
 
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Active brain 'keeps dementia at bay'

By Helen Briggs

Keeping mentally active by reading books or writing letters helps protect the brain in old age, a study suggests.


A lifetime of mental challenges leads to slower cognitive decline after factoring out dementia's impact on the brain, US researchers say.

The study, published in Neurology, adds weight to the idea that dementia onset can be delayed by lifestyle factors.

An Alzheimer's charity said the best way to lower dementia risk was to eat a balanced diet, exercise and stay slim.

In a US study, 294 people over the age of 55 were given tests that measured memory and thinking, every year for about six years until their deaths.

They also answered a questionnaire about whether they read books, wrote letters and took part in other activities linked to mental stimulation during childhood, adolescence, middle age, and in later life.

After death, their brains were examined for evidence of the physical signs of dementia, such as brain lesions and plaques.

The study found that after factoring out the impact of those signs, those who had a record of keeping the brain busy had a rate of cognitive decline estimated at 15% slower than those who did not.


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