Swimming and Racquet Sports Connected to Better Heart Health

The problem with studies like this is that it may be impossible to tell what the diet of the person consisted of or if they were already healthy. Some activities such as weight-lifting, surfing, kayaking were not mentioned. Can it be that the more money you have, the better access you have to healthy foods, doctors, education, and support structures.
Reminds me of a debunked study that found that drinking wine had benefits for health and heart. Turned out that wealthier people drink wine and the wealthy tend to be better educated about their health. Most can afford better food, leisure exercise, medical care etc. These simple surveys, unless somehow normalized for this type of skewing of results, may be misleading.

Study Indicates Specific Sports Better for the Heart

partner-reuters(Reuters) – Swimming, racquet sports and aerobics are associated with the best odds of fighting off death from bad health, and in particular reducing the risk of dying from heart disease or stroke, scientists said on Tuesday.

In a study of various types of exercise and their risk levels, the researchers found that participation in specific sports showed significant benefits for public health, and urged doctors and policymakers to encourage people to take them up.

While the research, published in the British Journal and Sports Medicine, showed no added advantage for people who favor running and football or rugby, independent experts said this was purely due to the design of the study.

“This study must not be misinterpreted as showing that running and football do not protect against heart disease,” said Tim Chico, a consultant cardiologist at professor at Britain’s Sheffield University who was asked to comment on the findings.

The study analyzed data from 11 annual health surveys for England and Scotland carried out between 1994 and 2008, covering 80,306 adults with an average age of 52.

Participants were asked about what type and how much exercise they had done in the preceding four weeks, and whether it had been enough to make them breathless and sweaty.

Exercise included heavy domestic chores and gardening; walking; cycling; swimming; aerobics, gymnastics or dance; running; football or rugby; and badminton, tennis or squash.

The survival of each participant was tracked for an average of nine years, during which time 8,790 of them died from all causes and 1,909 from heart disease or stroke.

Overall, compared with respondents who had not done a given sport, risk of death during the follow up period from any cause was 47 percent lower among those who played racquet sports, 28 percent lower among swimmers, 27 percent lower among dance aerobics fans and 15 percent lower among cyclists.

In death from heart disease and stroke, the study found racquet sports players had a 56 percent lower risk, with 41 percent for swimming and 36 percent for aerobics, compared with those who did not participate in these sports.

Chico said the study did find that both runners and footballers had a lower rate of death from heart disease. “Although this was not ‘statistically significant’, many other studies have found that runners live longer and suffer less heart disease,” he said.

“I will continue to tell my patients that regular physical activity (including running) is more effective in reducing their risk of heart disease than any drug I can prescribe.”

LONDON (Reuters) | Tue Nov 29, 2016 | 6:37pm EST

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