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A study reveals that oral supplements of folic acid may be cheap and safe ways to improve vascular function in young women suffer who practice athletics and amenorrhea (no period). The work appears in the May issue of Clinical Journal of Sport Medicine.

Although the benefits of exercise are known, there are risks to health. The young athletes who do not have a diet sufficiently to offset the energy they expend can stop having periods or irregular periods. This results in profiles of estrogen similar to those of a postmenopausal woman, which poses a greater risk of developing heart disease early. The prevalence of amenorrhea is 44 percent among the 23 million young people in school who are at least six times a week in the U.S.

Anne Hoch, the University of Wisconsin (USA) analyzed the effect of folic acid supplements in the dilation of the brachial artery, the alteration is one of the signs that allows the early diagnosis of heart disease.

Hoch analyzed 20 athletes aged between 18 and 35 who did not take the pill and had run at least 20 miles per week (32.2 km) in the previous 12 months. At baseline, girls who had amenorrhea group had a reduced arterial dilation, similar to that of a postmenopausal woman. Read the rest of this entry »

The technique is to use the matrix of an organ and tissue to grow from a stem cell seeding

The artificial heart of the future could be biological. It’s not a pun. It would, in a few years if the process works, the closest thing to create a heart. But do not start from scratch. The novelty of the technique, explains the head of cardiology at the hospital Gregorio Maranon de Madrid Francisco Fernandez-Aviles is that it uses a kind of mold. In this case, it ruled out a heart transplant.

The first step is to treat this body with an enzymatic detergent to eliminate the donor cells. The result is that the flesh is dissolved, and allowed to clean the matrix of the heart (which would be if we were talking skeleton of bone or connective tissue made up of infrastructure in this case). From there, the structure is grown stem cells to regenerate heart. This step is complicated, but since there is a history (it has done with trachea and small animals, says Fernandez Aviles). But there is one step: that the structure, properly irrigated, is made to beat. Read the rest of this entry »

A study reveals that oral supplements of folic acid may be a cheap and safe way to improve vascular function in young women who play athletics and suffer amenorrhea (no period). The work appears in the May issue of the Clinical Journal of Sport Medicine.

Although the benefits of exercise are known, there are risks to health. The young athletes who do not have enough dietary energy to compensate for spending may stop menstruating or have irregular periods. This results in profiles of estrogen similar to those of a postmenopausal woman, which leads to an increased risk of developing early heart disease. The prevalence of amenorrhea is 44 percent among the 23 million young people in school who are at least six times a week in the U.S.

Anne Hoch, the University of Wisconsin (USA) analyzed the effect of folic acid supplements in the dilation of the brachial artery, the alteration is one of the signs that allows the early diagnosis of heart disease.

Hoch analyzed 20 athletes aged between 18 and 35 who did not take the pill and had run at least 20 miles per week (32.2 km) in the previous 12 months. At baseline, girls who had amenorrhea group had a reduced arterial dilation, similar to that of a postmenopausal woman.

Both they and those who menstruated normally received 10 milligrams of folic acid daily for four weeks. Vascular function was normal in all women at the end of the study.

A study of 6,000 British civil servants found a 60% increase in the probability of coronary heart disease

Working 10 or more hours a day is bad for the heart, according to results of a study in the UK. People who usually work three or four hours over the seven rules are 60% more likely to suffer serious heart problems, including heart attacks than those who serve their time, researchers have said, based on a study conducted over 6,000 British civil servants over 11 years. Work an hour or two has not, however, adverse effects.

The relationship between work hours and heart disease is demonstrated in the study, but not the cause, which may be the stress of overwork. In general, people tend to take hours with a pattern A (these tend to be aggressive, competitive, tense, aware of the passage of time and usually hostile), or suffer psychological disorders manifested by depression and anxiety and may not get enough sleep or do not have time to relax before sleep, researchers say. Read the rest of this entry »

A new medical study says women need much exercise to lose weight as they age.

At least one hour of daily moderate activity is necessary for mature women a healthy weight and not on a diet. For those who are already overweight, that is, most Americans still need more exercise to avoid gaining weight without eating less, according to the results of the study.

“We must all work on it. If it were easy everyone would be thin as well,” said John Foreyt, an expert in behavioral medicine who reviewed the study but was not involved in its preparation.

A quick walk, bike or golf relaxing are examples of moderate exercise, but do not throw in the towel if you can not perform these activities at least an hour each day, for a little exercise is good for health, even and if not thinned to that practice, according to the researchers.

The study results were based on 34.079 women followed over 50 years for nearly 13 years. The majority were not on a diet to reduce calorie intake. During the study, women gained an average of about 2.72 kilos (six pounds). Read the rest of this entry »

Researchers at the London School of Hygiene & Tropical Medicine, UK, say that consumption of omega-3 found in fish and some vegetables, do not provide any beneficial effect on cognitive function of those older people who consume these products against than previously thought, according to results of a study published in the latest issue of American Journal of Clinical Nutrition.“

Specifically, the study “OPAL” included a total of 867 people in England and Wales aged between 70 and 80 years who were followed up two years to check the quality of their cognitive function. At the start of the all participants a good cognitive health, dividing into two random groups, one of which received capsules for two years with this type of oil. The other group received placebo during the same period. After two years of monitoring found that participants who received these capsules had significantly higher levels of omega-3 fatty acids in the blood, compared with the other group. Read the rest of this entry »

Older men with low testosterone levels would be relatively more likely to become frail than those with normal hormone levels, according to a new study.

A study of more than 3,600 Australians aged 70 years found that those with low testosterone tend to become more fragile over the years.

The findings, published in the Journal of Clinical Endocrinology and Metabolism, add to evidence linking testosterone loss with health problems in older people. But it is not known what can be done.

“It is too early to recommend hormone therapy,” he told Reuters Health Zoe Hyde of the University of Western Australia in Perth.

“We need larger studies to see if testosterone can prevent or treat frailty and evaluate the benefits and risks of therapy,” he said.

Testosterone helps men to maintain bone density, muscle mass and strength, and the production of red blood cells.

Their levels naturally decline with age and previous studies have linked low levels in older men with diabetes, depression, broken bones and even a reduction in life expectancy. Read the rest of this entry »

Children of mothers who have had little exposure to sunlight during the first three months of pregnancy may be at increased risk of developing multiple sclerosis (MS) in adulthood, according to an Australian study.

Low vitamin D levels were always associated with an increased risk of MS. Experts suspect that the lack of sun exposure, the main source of vitamin D-from the mother may affect the central nervous system or the immune system of the fetus and may predispose to develop MS in the future.

In the Australian study, researchers analyzed the birth records of 1,524 patients with MS born between 1920 and 1950 and found that most were born in the months of November and December.

This means their first quarter occurred during the winter months between April and June, a time when the mothers in the southern hemisphere might prefer being inside to avoid cold. Read the rest of this entry »

Although only a small percentage of cases of headache are caused by a serious illness, is one of the symptoms of most concern to parents

The prevalence of headache children has tripled in the last 20 years. However, its analgesic management is still a pending issue. In most cases, it is understood as a common problem and addressed the same way that a rise in temperature (fever). The drugs most commonly used and prescribed by specialists are paracetamol and NSAIDs but, often, neither the dose nor the schedule of shots and the presentation is consistent with the treatment. To distinguish a headache of a serious health problem is to perform a complete physical examination, and a clinical examination that includes the medical history and family concerned. However, despite concern of parents, a small percentage of cases of headaches originate from a serious illness. Read the rest of this entry »

The discovery will lead to a deeper study of the correlation of face to redefine the doses of drugs for pediatric patients.

Researchers at the University of Minnesota, United States, ensure that obese children metabolize drugs differently from those who have a healthy weight, according to results of a pilot study presented at the conference of the American Society of Pharmacology and Experimental Therapeutics held these days in the U.S. city of Anaheim.

In particular, this group of experts told a group of 16 children weighing say hello and nine were obese, all between 6 and 10 years of age, in both cases by measuring how fast their enzymes metabolize the caffeine and dextriometorfano , a key active ingredient in Robitussin cough suppressant, marketed by Wyeth. Read the rest of this entry »