¿Estas gotas para leer pueden reemplazar a los anteojos?

[This article is also available in English. Thanks to Pensar for this Spanish translation.] Vuity es un nuevo colirio que se vende bajo receta. Un artículo de Scientific American dice: “Estas gotas podrían reemplazar sus anteojos para leer”. ¿Podrían realmente? ¿Como puede ser? ¿Realmente funcionan? Más o menos, más o menos… para algunas personas… durante unas horas…

Can These Eyedrops Replace Reading Glasses?

[Este artículo está disponible en español. La traducción al español apareció por primera vez en la revista Pensar.] You’ve probably seen the ads. Vuity is a new prescription eyedrop. An article in Scientific American says, “These drops could replace your reading glasses.” Could they really? How can that be? Do they really work? Kind of, sort of …

Eat for Life: Joel Fuhrman’s Nutritarian Diet

Joel Fuhrman thinks his Nutritarian diet will increase longevity and prevent or treat most chronic diseases. He claims it is based on science, but his evidence is far from convincing. Joel Fuhrman, MD is a celebrity doctor, entrepreneur, and best-selling author whose latest book, Eat for Life, advocates his “Nutritarian” or micronutrient-rich diet. He calls the

The Science and Pseudoscience of Aging

Some animals (such as hydras and some jellyfish) can apparently live forever, but we humans are all going to die. Longevity is desirable, but aging—a slow process of deterioration—is not. Hearing declines (half of those older than seventy-five have disabling hearing loss), as does visual acuity (by age eighty, 70 percent of white Americans have

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