Extreme Do Does Non Heighten Midpoint Illness Conduct Chances Or Mortality

Exercise is frequently cited equally the best preventive medicine, but how much is besides much for the hearts of middle-aged athletes?

Sports cardiologist Dr. Benjamin Levine led a study, immediately published inward JAMA Cardiology, to divulge the answer. Dr. Levine is a Professor of Internal Medicine together with Director of the Institute for Exercise together with Environmental Medicine, a collaboration betwixt UT Southwestern Medical Center together with Texas Health Presbyterian Hospital Dallas.

What is coronary calcium scanning together with why is it important?

Coronary calcium scanning is an imaging exam that helps physicians assort patients without cardiac symptoms equally low, intermediate, or high conduct chances for pump attack. It represents how much calcium (and therefore cholesterol deposits) has accumulated inward the blood vessels that provide the heart. The scan tin laissez passer on the sack assist physicians decide the quest for medication, lifestyle modification, together with other risk-reducing measures.

"The interrogation has never been whether exercise is practiced for you, but whether extreme exercise is bad for you. For the past times decade or so, there's been increasing trouble concern that high-volume, high-intensity exercise could hurt the heart. We institute that high volumes of exercise are safe, fifty-fifty when coronary calcium levels are high," Dr. Levine said.

High-volume, high-intensity exercise was defined inward this study equally at to the lowest degree 5 to half-dozen hours per calendar week at a stair of 10 minutes per mile. The average sum of high-intensity exercise inward this grouping was viii hours per week.
Coronary calcium is a footprint of atherosclerosis, a illness inward which plaque builds upward inward the arteries together with gives ascent to pump assault together with stroke. When coronary calcium is detected inward the heart, the clogging procedure inside the blood vessels has begun. The bulk of high-intensity athletes had depression levels of coronary calcium, though their odds of having higher levels were xi per centum greater than men who exercised less. Most importantly, the researchers institute that higher calcium scores did non heighten the high-intensity athletes' conduct chances for cardiovascular or all-cause mortality.
Dr. Levine studied information from the Cooper Center Longitudinal Study. H5N1 full of 21,758 mostly salubrious men ages xl to fourscore together with without cardiovascular illness were followed for mortality betwixt 1998 together with 2013. The athletes, a bulk of them inward center age, reported their physical activeness levels together with underwent coronary calcium scanning. Most were predominantly runners, but about were cyclists, swimmers, or rowers. H5N1 subgroup of athletes trained inward 3 of these sports.
Women were non included inward the study equally their mortality rates are lower than for men.
Despite the findings that extreme exercise does non heighten pump illness risk, Dr. Levine advises against using the protective number of exercise to excuse misfortunate lifestyle habits. "You cannot overcome a lifetime of bad behaviors - smoking, high cholesterol, hypertension - but from doing high levels of physical activity, together with so don't purpose that equally a magical cure," said Dr. Levine, who holds the Distinguished Professorship inward Exercise Sciences at UT Southwestern.
He also recommends caution when starting a novel preparation program. "If you lot desire to prepare for a marathon, you lot conduct maintain to conduct maintain a long-range excogitation to construct upward slow earlier you lot gain those volumes together with intensity of exercise."
"The known benefits of regular physical activeness inward the full general population include decreased mortality, pump disease, diabetes, together with many other medical weather which reminds us how of import it is participate inward regular physical activeness equally recommended past times the 2018 Physical Activity Guidelines," said Dr. Laura DeFina, Chief Scientific Officer of The Cooper Institute together with co-author of the study. "The electrical flow study shows no increased conduct chances of mortality inward high-volume exercisers who conduct maintain coronary artery calcium. Certainly, these high-volume exercisers should review their cardiovascular illness conduct chances alongside their principal attention physician or cardiologists together with the study results provide helpful clinical guidance."
"The nearly of import take-home message for the exercising world is that high volumes of exercise are safe. The benefits of exercise far outweigh the tyke conduct chances of having a piffling to a greater extent than coronary calcium," Dr. Levine said.
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