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Em 2023: 0 notícias
Desde 1995: 13 notícias
Saliva can predict excess body fat in teenagers
Publicado em 19 fevereiro 2020
Rio de Janeiro, Feb 19 | In addition to keeping the mouth moist and protecting us against germs, saliva can also be used for early detection of the risk of developing diseases associated with surplus body fat, a new study suggests.
For the findings, published in the journal Nutrition Research, the researchers in Brazil performed a study in which they used the level of uric acid in saliva to predict body fat percentages in teenagers and identify those with surplus fat even if they had no [...]
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Saliva can predict excess body fat in teenagers
Publicado em 17 fevereiro 2020Researchers have demonstrated that saliva can be used for early detection of the risk of diseases associated with surplus body fat, an advance that may lead to better methods to diagnose chronic obesity-related ailments. The study, published in the journal Nutrition Research, identified uric acid in saliva as a reliable signature chemical to predict body fat percentages in teenagers. "The idea is to enable saliva to be more widely used as an alternative biological sample for clinical [...]ver notícia -
DECODED: HOW STRESS TURNS HAIR WHITE
Publicado em 23 janeiro 2020According to the scientists, the sympathetic nervous system, which triggers the body's rapid involuntary response to dangerous situations, is affected directly by the stress, and consists of nerves that branch from the spine and run throughout the body. Researchers have identified for the first time the mechanism by which chronic stress causes hair colour loss, an advance that may lead to the development of novel drugs which can prevent the whitening of hair. In the study, published [...]ver notícia -
Music may reduce cardiac stress while driving: Study
Publicado em 13 novembro 2019Rio de Janeiro, Nov 13 (IANS) Stress while driving is a risk factor for the development of cardiovascular disease and sudden cardiac complications such as heart attack, but now researchers have found that listening to music while driving can reduce cardiac stress. “We found that cardiac stress in the participants in our experiment was reduced by listening to music while they were driving,” said study lead author Vitor Engracia Valenti, Professor at Sao Paulo State University in [...]ver notícia -
Fat molecule regulating body heat may hold the key to treating diabetes: Study
Publicado em 01 outubro 2019WASHINGTON, Sept 30:Researchers have discovered that a fat molecule 12-HEPE—produced in the human body in response to cold external temperatures—plays a role in reducing the blood sugar levels, an advance that may pave the way for new diabetes treatment methods. The study, published in the journal Cell Metabolism, also found that a drug used to treat urinary dysfunction increased the amount of 12-HEPE released into the bloodstream in human patients. When the researchers, including [...]ver notícia -
Lipid in humans can help control blood sugar
Publicado em 29 setembro 2019Sao Paulo : A team of global researchers has discovered that a lipid — produced in response to cold by brown adipose tissue in the human body — helps reduce blood sugar. The discovery with the lipid known as 12-HEPE can pave the way for new treatments for diabetes, said the team from Brazil, the US and Germany. The group also observed that a drug used to treat urinary dysfunction increases the amount of 12-HEPE released into the bloodstream in human patients. White adipose [...]ver notícia -
A newly identified electric eel species has the strongest shock of any living creature, study says
Publicado em 11 setembro 2019Two new electric eel species have been identified in the Amazon basin, including one fish with a record-breaking shock, scientists say. Researchers had previously identified only one species of electric eel in more than 250 years of studying the creatures that lurk in South American waters and stun their prey with electric discharges. However, the new genetic and ecological analysis, published Tuesday in the peer-reviewed Nature Communications, identifies a total of three unique [...]ver notícia -
Lithium-air batteries may power future cars, houses: Study
Publicado em 19 fevereiro 2019Washington: Lithium-air batteries, which run on ambient oxygen, may be a sustainable and environment-friendly way to store energy and power electric vehicles, houses, and industries of the future, scientists say. Current lithium ion battery technology will probably not be able to handle the coming decades' huge demand for energy. It is estimated that by 2050, electricity will make up 50 per cent of the world's energy mix. Today, that rate is 18 per cent. However, installed capacity [...]ver notícia -
Low-calorie diet may improve cell performance
Publicado em 13 fevereiro 2019Sao Paulo, Feb 13 Consuming low-calorie food may have a protective effect against some diseases as the number of calories a person eats directly influences the performance of various cells, researchers say. The study on mice showed that a low-calorie diet can protect the brain from neuronal cell death associated with diseases such as Alzheimer's, Parkinson's, epilepsy and cerebral vascular accident (CVA). "We are looking at how changes to the diet affect metabolism and how that ends up [...]ver notícia -
Scientists identify 4 extremely young asteroid families
Publicado em 25 setembro 2018Sao Paulo, Sep 25 Brazilian scientists have identified four new families of extremely young asteroids, taking the total number to 13. The four families, all of which are less than seven million years old, orbit between Mars and Jupiter as part of a grouping known as the Main Asteroid Belt. The researchers dated the families using a numerical simulation method to process current data to go back in time to the asteroid formation era. "We identified the new families by means of [...]ver notícia