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People with red hair have a variant of the melanocortin-1 receptor (MC1R) gene. This gene controls the production of melanin, the pigment that gives skin, hair, and eyes their color. The cells that make melanin produce two forms — eumelanin and pheomelanin. People with red hair produce mostly pheomelanin, which is also linked to freckles and fair skin that tans poorly. While red hair has been linked to differences in pain processing, the underlying reasons weren’t well understood. Researchers led by Dr. David E. Fisher of Massachusetts General Hospital examined the connection between MC1R and pain perception. more »

CDC is providing the following guidance related to international travel: Fully vaccinated people can travel internationally without getting a COVID-19 test before travel unless it is required by the international destination. Fully vaccinated people do not need to self-quarantine after returning to the United States, unless required by a state or local jurisdiction. Fully vaccinated people must still have a negative COVID-19 test result before they board a flight to the United States and get a COVID-19 test 3 to 5 days after returning from international travel. Fully vaccinated people should continue to take COVID-19 precautions while traveling internationally. The guidance issued today does not change the agency’s existing guidance for people who are not fully vaccinated. [A person is considered fully vaccinated two weeks after receiving the last recommended dose of vaccine.] more »

Each night it’s the same. Story after story on the TV news is about the Covid vaccination effort, and they are all illustrated with footage of needles sinking into exposed upper arms. Put it in perspective. Be positive about the reasons you are getting the vaccine and remember that the pain will be short-lived, like a stubbed toe, said Thea Gallagher, director of the clinic at the Center for the Treatment and Study of Anxiety at the University of Pennsylvania. For those getting the two-dose regimens, “be objective about how the first one went,” she said, “and that you got through it.” Bring a support person. Some vaccination sites will allow this. Ask. Practice deep breathing or other techniques to help stay calm at the site. Eat something and drink water beforehand; it reduces the chance of fainting. more »

March 8, 2021 This message includes updates on the COVID-19 response from CDC. If you are participating in activities outside your home, like an outdoor yoga class or just picking up a few items at the grocery store, be sure to do so safely. Have an extra mask, tissues, and hand sanitizer with at least 60% alcohol on hand. When considering activities, think about how many people you’ll interact with, if you’ll be able to stay at least 6 feet away from others, if others will be wearing masks, and how long the activity lasts. Outdoors is safer than indoors. Wear a mask; Stay at least 6 feet from others; avoid crowds and poorly ventilated places.   When You’ve Been Full… more »