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Em 2023: 0 notícias
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How to live longer: The supplement that could be used in anti-ageing therapy – study
Publicado em 22 julho 2022
Fitness & Health:
Supplements come in all different shapes of sizes and have all manner of purposes, from increasing levels of certain vitamins to strengthening bone mass. However, a new study suggests one supplement could help someone live longer by slowing the rate at which they age. According to a study published in the journal Nutrition, supplementation with the amino acid taurine could fight ageing. The study was conducted by the Ribeiro Preto School of Physical [...]
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Tiny Amazon fish spotted in a single stream could go extinct just after being found
Publicado em 18 maio 2022The fish belong to a subfamily called South American darters. The discovery brings the known number of darter species to five. One species, Poecilocharax callipterus, is distinguished by its long, striking red-orange fins and a dark spot at the base of its tail. The other new species, Poecilocharax rhizophilus is the most miniature darter ever identified. This tiny fish only measures about three-quarter inch (2 centimeters) in length as a mature adult. It’s bright yellow with a [...]ver notícia -
Two newly described Amazon fish species are on the brink of extinction
Publicado em 16 maio 2022New varieties of South American darter fish were documented in Brazil’s Apuí region. But deforestation in the area means they may soon be extinct Two newly described species of Amazon fish may already be headed for extinction. When Murilo Pastana at the Smithsonian National Museum of Natural History in Washington DC set out with a group of colleagues to search for fish in less explored regions of the Amazon river basin, he didn’t know what they would find. A few days [...]ver notícia -
Even mild or moderate COVID-19 can affect the cardiovascular system in young adults, study shows
Publicado em 08 abril 2022Face covering rules in Scotland will remain in place until April. On 15 March, Scotland reported 38,770 new covid cases, up from a daily average of 6,900 three weeks ago. As a result, coverings will continue to be required on public transport and in shops, although other covid restrictions will be lifted on 21 March. The BA.2 omicron sublineage, which is even more transmissible than the initial omicron variant, accounts for 80 per cent of Scotland’s SARS-CoV-2 cases, according to first [...]ver notícia -
Cancer: Combination of two exercises may lower risk of death from the deadly disease
Publicado em 14 agosto 2021Fitness & Health: Cancer is the blanket term applied to diseases caused by the uncontrolled growth of abnormal cells. The group of diseases is characterised by their ability to grow out of control, which is why finding a cure for cancer still eludes many scientists today. Researchers believe that by combining strengthening training with aerobic exercises, cancer patients could significantly lower their risk of dying from the killer disease. Aerobic exercise, is exercise that [...]ver notícia -
Study points to remotely supervised exercise classes as best option during lockdown
Publicado em 22 julho 2021Researchers at the University of São Paulo (USP) in Brazil investigated the effects of regular exercise on the physical and mental health of 344 volunteers during the pandemic. The study compared the effectiveness of three techniques: sessions led in person by a fitness instructor, sessions featuring an online instructor but no supervision, and sessions supervised remotely by an instructor via video call. The two kinds of session with professional supervision had the strongest effects [...]ver notícia -
Study effects paradigm shift in the understanding of how red rot attacks sugarcane
Publicado em 14 junho 2021The fungus Fusarium verticillioides is one of the causes of red rot, the most serious sugarcane disease. Losses average around USD 1 billion per harvest in Brazil alone. The traditional approach to the etiology of this disease is that it is triggered by Diatraea saccharalis, a moth usually referred to as the sugarcane borer. In the caterpillar stage, this insect bores into the stem of the plant, which is later infected opportunistically by the fungus. However, a study conducted in [...]ver notícia -
Soybean and linseed oils added to cows’ diet improve the quality of milk
Publicado em 07 maio 2021Inclusion of soybean and linseed oils in the diet of dairy cows made the fatty acid content of their milk even healthier for human nutrition. It also increased the proportions of omega-6 and omega-3, which in the right balance play a key role in preventing cardiovascular diseases, for example, as well as chronic inflammation and some kinds of cancer. Cardiovascular diseases are one of the world’s main public health problems. In Brazil, they are among the foremost causes of death. Each [...]ver notícia -
Researchers revise indicator of mobility limitation in older adults
Publicado em 16 abril 2021Aging entails a loss of muscle mass and strength, which in some cases impairs mobility, hinders walking or performance of day-to-day tasks, and exposes the elderly to the risk of falls and hospitalizations. In clinical practice, handgrip measurement is the most widely used method to identify loss of overall muscular strength in older people. Values below 26 kg for men and 16 kg for women have for some time been considered an indication of risk-associated weakness, but these parameters are [...]ver notícia -
Use of perovskite will be a key feature of the next generation of electronic appliances
Publicado em 12 março 2021Quantum dots are manmade nanoparticles of semiconducting material comprising only a few thousand atoms. Because of the small number of atoms, a quantum dot’s properties lie between those of single atoms or molecules and bulk material with a huge number of atoms. By changing the nanoparticles’ size and shape, it is possible to fine-tune their electronic and optical properties – how electrons bond and move through the material, and how light is absorbed and emitted by [...]ver notícia