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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.


Vaccines against Zika show positive results in tests with mice

Vaccines against Zika show positive results in tests with mice

Study conducted by researchers at the Evandro Chagas Institute, (IEC / SVS / MS) confirmed the ability of two experimental vaccines against Zika to prevent virus infection within the uterus of female mice. The study also points out that the two substances were able to prevent syndromes of malformations in the fetuses of these animals.

(Health)

Prostate cancer: how to control the side effects of treatment?

Prostate cancer: how to control the side effects of treatment?

Chemical castration or androgen deprivation therapy (ADT) is the name given to treatment for prostate cancer using agents with direct action on the hypothalamic-pituitary-gonadal axis, the final outcome of which is the suppression of testosterone levels in the body. A pulsatile secretion by the hypothalamus stimulates the production of luteinizing hormone (GnRH) by the pituitary gland and this, in turn, stimulates the production of testosterone by the Leydig cells in the testicle.

(Health)