Optical device helps detect oral cancer
A personalized optic device allows the dentist to see if a patient may have developing oral cancer, according to a study published in the Journal of Biomedical Optics.
A simple, manual-support device called a Visually Enhanced Lesion Scope (VELScope) emits a blue light cone inside the mouth, which stimulates several molecules inside the cells, causing them to absorb the light energy and reemit it in the form of visible fluorescence. When the light is removed, the fluorescence of the tissue is no longer visible.
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A study conducted by Harvard University found that patients treated by older physicians had higher mortality than patients cared for by younger professionals. The study was published in the British Medical Journal. According to the researchers, more experienced physicians may present more outdated skills as scientific knowledge, technology, and clinical guidelines change.
Our grandmothers used to say that we should eat carrots because they are good for our eyes and, as we will see below, we will understand that they were right ... feeding and sight, and we are increasingly observing the importance of proper nourishment for healthy eyes. The eyes are sensitive organs that suffer greatly from the so-called oxidative stress - a consequence of excess free radicals in a given organ, which can cause premature aging of cells.