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Running without preparation may lead to heart problems

Running without preparation may lead to heart problems

Research conducted by French researchers at the Cardiology Reflection Group Interventionist, an independent non-profit organization founded by cardiologists, examined more than 500,000 participants from 25 editions of the Paris Marathon, in order to find out which had heart problems between 30 minutes before, during and within 2 hours after the end of the race.

The study conducted between 2006 and 2012 revealed that occasional runners are more likely to have a heart attack. Among athletes under 35 years of age, a disease called cardiomyopathy was found. In this problem, the heart muscle becomes inflamed and enlarged. By being enlarged, the muscle is stretched and becomes weak. This means that it can not pump blood as fast as it should, which can lead to heart failure.

For runners over 35 years of age, the main cause of death was myocardial infarction caused by obstruction of a coronary artery by a blood clot on the fat pad that was on his wall, thus making it impossible for a sufficient amount of blood to reach that area of ​​the heart muscle. In addition, the subjects who had the greatest cardiac problems were men over the age of 40.

The researchers concluded that participants who had lost weight very quickly and those who were short-lived had a higher risk of having a heart problem. The cardiologist and researcher in the Jean-Philippe Collet study says that unusual symptoms and shortness of breath before a race can be harmful and the participant should not run in this case.


Brazilians create nanoparticles capable of inactivating HIV

Brazilians create nanoparticles capable of inactivating HIV

Brazilian researchers at the National Research Center Energy and Materials (CNPEM) have developed nanoparticles capable of attracting viruses, preventing them from binding to cells in the body and thus attacking health. The study was published in the journal Applied Materials & Interfaces. The magnetic nanoparticles being studied would be introduced into the blood and would bind to the virus.

(Health)

Chikungunya: number of cases growing in Brazil

Chikungunya: number of cases growing in Brazil

Despite the focus of most people on the Zika virus, it is the Chikungunya fever that has grown the most in the country. In the first half of this year, Brazil registered 170,000 cases of the disease, compared to 17,000 in the same period in 2015, a figure 10 times higher, according to data from the Ministry of Health and the Pan American Health Organization (PAHO) In addition, while in 2015 only 696 municipalities presented cases, today this number tripled, reaching 2,154 Brazilian cities.

(Health)