A group of Spanish researchers have recently published a paper examining the association between consistent Mediterranean diet consumption and risk of frailty in older community-dwelling adults.
A prospective cohort study looking at 1815 Spanish adults over the age of 60 was employed to examine this relationship.
Photo By CDC [Public domain], via Wikimedia CommonsAt the beginning of the study, the “degree of Mediterranean Diet adherence” was determined for each study participant, which basically described how strict the participant was in terms of sticking to a Mediterranean-style diet, as well as various frailty measures including: exhaustion, muscle weakness, low physical activity, slow walking speed, and weight loss.
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Photo by: (WT-shared) Jpatokal at wts wikivoyage [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-4.0-3.0-2.5-2.0-1.0 (http://creativecommons.org/licenses/by-sa/4.0-3.0-2.5-2.0-1.0)], via Wikimedia Commons
A new study in the journal Nutrition examined the effect of switching to a Mediterranean diet on mental and cardiovascular health outcomes.
The study included 24 female participants who were randomly assigned to either switching to a Mediterranean-style diet or no diet change for 10 days before switching back to their original diet for another 10 days (in the case of the Mediterranean diet group).
Researchers measured mood, cognition, blood pressure, blood flow velocity, and arterial stiffness at the beginning of the study, on day 11 after
Photo By Kk90aa. (Own work.) [Public domain], via Wikimedia Commonscompleting the first diet segment, and again at day 22 after completing the switch back to their original diets.
A recent review performed a meta-analysis on studies within the last year to determine if consuming a Mediterranean-style diet had any influence on type 2 diabetes or not.
The 17 studies included in the review varied in nature in terms of their experimental protocols: 1 was a clinical trial, 9 were prospective studies,
Photo By Tomwsulcer (Own work) [CC0], via Wikimedia Commonsand 7 were cross-sectional studies. Comparing studies with different experimental designs can be somewhat problematic, but there are ways to compare on a more broad scale.
Primary finding:
Sticking to a Mediterranean diet led to a 23% decrease in the risk of developing type 2 diabetes.
Even when controlling for region, general health status, and several other potentially confounding factors, this decrease in risk of developing type 2 diabetes was still seen.
While not a be-all end-all “cure” for type 2 diabetes, according to this meta-analysis, eating and maintaining a Mediterranean-style diet could provide some nutritional benefit to those wishing to prevent development of the disease.