Physical exercise is good for your eyes. Cardio exercise also increases the flow of blood to the optic nerve and the retina. Because of these effects, overall eye health and vision can be improved, but it’s especially beneficial to people with glaucoma.- Versant Health
Short bursts of exercise have more of an impact on our bodies than you might think: a new study shows that just 12 minutes of intense activity is enough to significantly change the biomarkers of metabolic health in people’s blood.
Researchers analyzed the reactions of 411 middle-aged men and women to 12 minutes of “vigorous” exercise, finding that the exercise had an effect on more than 80% of circulating metabolites in the participants’ blood.
These metabolites can act as indicators of cardiometabolic, cardiovascular, and long-term health, suggesting that even a short hit of activity is enough to benefit some of the body’s key biological processes.
“Much is known about the effects of exercise on cardiac, vascular and inflammatory systems of the body, but our study provides a comprehensive look at the metabolic impact of exercise by linking specific metabolic pathways to exercise response variables and long-term health outcomes,” says Gregory Lewis, a specialist in heart failure and cardiac transplantation at Massachusetts General Hospital (MGH).
“What was striking to us was the effects a brief bout of exercise can have on the circulating levels of metabolites that govern such key bodily functions as insulin resistance, oxidative stress, vascular reactivity, inflammation and longevity.”
One example mentioned by the researchers is the metabolite glutamate. It’s linked to heart disease, diabetes, and a shorter lifespan, and it fell by 29% on average.
Meanwhile, the metabolite DMGV (dimethylguanidino valeric acid), which is associated with an increased risk of diabetes and liver disease, dropped by 18%.
The researchers reported some variations across the sex and body mass index of the participants: there were signs that obesity can limit some of the benefits of high-intensity exercise, for example.
A total of 588 metabolites were tracked and measured by the researchers. Further down the line, the same techniques used here could be used to get a more general picture of someone’s health from the metabolites circulating in their blood……
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