Thomas P Seager, PhD·Follow1 min read·Mar 17, 2020--ListenShareVitamin D boosts the immune system.It’s not just temperature. It’s sunshine.Keeping Free of Coronavirus (COVID-19) | Morozko Forge, LLCEveryone knows that winter is "flu season," and most people think it's because the outdoor temperatures get cold. But…www.morozkoforge.com
