A medida que los smartphones y los wearables se van haciendo un hueco en nuestras vidas, las métricas sobre nuestra salud son cada vez más...
Mariano Fernandez S.'s insight:
A medida que los smartphones y los wearables se van haciendo un hueco en nuestras vidas, lasmétricas sobre nuestra salud son cada vez más cuantificables. Y estos datos pueden ser tremendamente útiles para optimizar nuestra actividad física a medida según nuestras necesidades.
¿Debemos poner límites a la ciencia? ¿Es ético pensar en crear vida artificial o seleccionar embriones para mejorar la calidad de vida? Debate en clase estos temas con la ayuda de varios expertos del mundo de la investigación.
Hace algún tiempo en A un clic anunciamos que se recetarían apps de salud y después hemos constatado que ya hay doctores que lo hacen . En el App Date Health que se celebró anteayer en Espacio Fundación Telefónica, José Fr
Hoy traemos a Salud Conectada uno de esos proyectos que más nos gustan, porque conjugan a la perfección el uso de las tecnologías y los cuidados de salud. Además es una iniciativa a la que vas a ver enseguida aplicación directa en tu trabajo, por que destila sencillez y utilidad por los cuatro costados.
A recent finding by scientists from the Hospital for Sick Children, Toronto, and Duke University challenges long-held ideas about why our bones have a harder time healing as we age. Their research discovered that old mouse bones mend like youthful bones do when they're exposed to young blood after a fracture.
“The traditional concept is that as you get older, your bone cells kind of wear out so they can't heal as well, and we thought we'd find that during this study as well,” explains study co-author Benjamin Alman, of the Hospital for Sick Children. “But it turns out that it's not the bone cells, it's the blood cells. As you get older, the blood cells change the way they behave when you have an injury, and as a result the cells that heal bone aren't able to work as efficiently.”
The researchers paired lab mice, one old and one young, and subjected them to bone fractures, but that wasn't all they had in common. The living animals' circulatory systems were also joined together by a 150-year-old surgical technique known as parabiosis. Scientists removed a layer of skin from each mouse and stitched the exposed surfaces together. As the animals healed their capillaries joined, enabling their two hearts to pump the same blood throughout the two bodies as a single system. Parabiosis, which has been gaining new popularity in aging research, allowed Alman and colleagues to see what impacts the circulating factors of the younger mouse's blood had when introduced into the body of an older mouse.
The experiment, published this week in Nature Communications, suggests that young blood cells secrete some as-yet-unknown molecule, likely a protein or possibly some other chemical, that speeds up the healing of fractured bone. The molecule apparently does so by regulating levels of beta-catenin in bone cells known as osteoblasts. Keeping beta-catenin at the proper levels appears crucial for the formation of new high-density bone.
This ability is greatly diminished in older animals' blood because it no longer secretes the molecule, whose exact chemical nature remains a mystery at this point. “My guess is that there are a number of proteins involved that are made differently as we get older, and that they are responsible for the difficulty in healing bone,” Alman says.
The findings could prove good news for aging humans, but healing our bones won’t require the type of transfusions used in the experiment—nor will it borrow the synthesized “True Blood” variety that may soon enter clinical trials. Sharing human blood in this manner raises a number of red flags ranging from practicality to possible medical complications.
The health of the world’s population is in a state of inequality. That is to say, there are vastly different stories to tell about a person’s health depending on where they live, their level of education, and whether they are rich or poor, etc. Monitoring the state of inequality in health takes into account the current experiences of population subgroups, as well as the trends of how health experiences in these subgroups have changed over time. This 2015reportdemonstrates best practices in reporting the results of health inequality monitoring, and introduces innovative ways for audiences to explore inequality data. Interactive data visualization components – including story-points, equity country profiles, maps and reference tables – accompany the key messages and findings of this report, allowing users to customize data displays and engage in benchmarking according to their interests. A series of feature stories indicated that inequalities in reproductive, maternal, newborn and child health persist, despite having narrowed over the past decade. There is still much progress to be made in reducing inequalities in reproductive, maternal, newborn and child health through equity-oriented policies, programmes and practices. Though the report draws on data about reproductive, maternal, newborn and child health in low- and middle-income countries, the approach and underlying concepts can be widely applied to any health
The use of Internet in the health domain is becoming a major worldwide trend. Millions of citizens are searching online health information and also publishing content about their health. Patients are engaging with other patients in online communities ...
Creemos que ha llegado el momento de dar un paso más y de abordar la eSalud no como una sucesión de proyectos individuales sin cohesión entre ellos sino como parte de un todo, como parte de una estrategia más global que, partiendo de la tecnología, permita crear y extender soluciones para todos.
Max Little, matemático de profesión, nos habla en esta ocasión de cómo es posible analizar la voz en busca de indicios de temblor de las cuerdas vocales, que indiquen el inicio de la enfermedad. Para conseguir su objetivo, se propusieron analizar las voces de miles de personas para de recolectar los suficientes datos y poder llevar a cabo la investigación. Bajo el proyecto The parkinson’s voice initiative, consiguieron captar a 17.000 participantes en tan solo 6 meses, y en un segundo estudio reclutaron a 1.000 pacientes con enfermedad de Parkinson en la red Patients Like Me.
Is it worth a medical student’s precious time to be tweeting? Don’t we waste enough time on Facebook and Instagram? Is it just another platform where we can get criticized for lack of professionalism? All of these are important questions to be asking. I learned over time that Twitter could be used as a powerful tool for the eager medical student, if used correctly.
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