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Cigarette smoking accounts for about one fifth of cases of coronary heart disease (CHD), one of the leading causes of death worldwide, but precisely how smoking leads to CHD has long been unclear. Now, a team has uncovered a molecule that may at least partly explain the smoking-CHD connection.

Vitamin D helps our bodies regulate levels of calcium and phosphate – nutrients that keep bones, teeth, and muscles healthy. Often, sunlight on our skin can be enough to enable us to produce all the vitamin D we need. But when sunshine is lacking, vitamin D must be ingested, and it can be difficult to meet the recommended levels from food alone. This matters because the health benefits of adequate vitamin D intake may be even greater than previously thought.

A permanent cure for HIV infection remains elusive due to the virus's ability to hide away in latent reservoirs. But now, scientists show that they can excise HIV DNA from the genomes of living animals to eliminate further infection.

Understanding the signals of one's own organism can also alleviate the symptoms of serious ailments, for example, schizophrenia or autism.

By measuring this emerging vital sign, CSAIL system could help monitor and diagnose health issues like cognitive decline and cardiac disease.

Researchers have found a way to use artificial intelligence to fight a complication of diabetes that affects the eyes.

The widely held belief among doctors and the public that saturated fats clog up the arteries, and so cause coronary heart disease, is just "plain wrong,"

We can fight back against the 21st-century scourge

In an interview with the publication of OOOOM, the famous surgeon Sergio Canavero talked about the details of the operation on a human head transplantation, which he and his Chinese counterpart Xiaopeng Wren are going to hold in December. There are plans to "revitalize" the dead people - participants in the Alcor project to freeze bodies after death. Extract the body, cooled in the cryogenic chamber, separate the head and transplant it to the donor body. Kanavero plans already by 2018...

Biotechnology is going to "govern the next decade of thought" at research institutions like the MIT Media Lab, says its founder Nicholas Negroponte.