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Why the 2nd Dose of Pfizer Vaccine Is So Essential

By Ernie Mundell and Robert Preidt HealthDay Reporters WEDNESDAY, July 21, 2021 (HealthDay News) -- It takes two doses of the Pfizer-BioNTech COVID-19 vaccine to "wake up" cells that play a very important role in the body's immune response,…

The best way to reset your sleep cycle

If you suffer from chronic insomnia, you have likely worked with your doctor or a sleep specialist to help you get more quality sleep. But sometimes life can thwart your best sleep plans. Travel, a newborn, shift work, and other…