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He died shielding students from gunfire. He captured the gunman. She hid students in a closet.Tales of heroism have emerged as survivors recall the moments after a gunman opened fire Wednesday at the Marjory Stoneman Douglas High School in Parkland, Florida.Here are the stories of some of the people who saved lives:  331

GENEVA — The U.N. health agency says the world’s largest randomized trial of COVID-19 treatments found “conclusive evidence” that remdesivir, a drug used to treat U.S. President Donald Trump when he fell ill, has little or no effect on severe cases. The World Health Organization has announced long-awaited results of its six-month “Solidarity Therapeutics Trial” that endeavored to see if existing drugs might have an effect on the coronavirus. The study, which was not peer-reviewed, found that four treatments tested — remdesivir, hydroxychloroquine, lopinavir/ritonavir and interferon — had “ little or no effect on 28-day mortality or the in-hospital course of COVID-19 among hospitalized patients.” Remdesivir was the only drug of the four that had not largely been ruled out as ineffective in fighting COVID-19. 826

Health care worker Amanda Solt is one of the lucky COVID-19 patients who survived the disease.“I remember them pulling my arms up over my head, under my pillow and then they took the pillow, and that's the last thing I remember,” said Solt.She was in the hospital and ICU for weeks back in June. It wasn't until she received a convalescent plasma donation that she started to turn a corner.“They helped me hold the phone up to my ear, so I could give a verbal consent. To help me sit me up in the bed, literally, they were holding me and helping me sign the paper, so I could give consent. And I just remember the nurses were like, ‘say yes.’ Yes, I remember that and honestly, I feel like I owe my life to them and to the person who donated for sure.”The nurses helped Solt take a picture the moment she got the plasma. She says it saved her life and now she's advocating for others to donate.Health and Human Services Secretary Alex Azar also pushed for donations Wednesday during a briefing on vaccines. HHS is increasingly concerned about supply with rising cases.Plasma is given to hospitalized patients earlier now.People with COVID antibodies can donate plasma as often as every seven days for up to three months. Just one donation can help up to four people.“You have the chance to truly, truly make a difference in life or death for somebody,” said Solt.The American Red Cross saw their distributions of convalescent plasma increase 250% in November compared to September. You can make an appointment to donate online through their app or over the phone. 1571

Have you ever considered downsizing? Not just moving into a slightly smaller place, but really scaling back on your belongings and living space? Could you live in a tiny house? 184

Health officials agree coronavirus cases are going to increase this winter as Americans head indoors to stay warm and closed windows will lead to less ventilation.But what about the dry air inside and outside this time of year, could a humidifier help slow the spread of coronavirus? That is still being debated.A study released this month seems to suggest increasing humidity plays a role in decreasing cases of coronavirus. The study, which has not been peer-reviewed yet, was shared on medRxiv.This study was based on the premise that previous studies have shown that falling humidity is tied to increased transmission rates of other respiratory diseases, like the flu. Researchers looked at more than 3,000 counties around the country and their humidity levels between March and September 2020.The team says they found increasing humidity levels had a negative impact on new cases of COVID-19 in most regions. In two of the regions that showed the highest effect, a 1 g/m3 increase in absolute humidity resulted in a 0.21 and 0.15 decrease in COVID-19 cases.However, there are also studies that show the humidity level had little to no effect on the spread of COVID-19.A study released in early November found the weather had “virtually no impact” on the spread. Instead, they said human behavior changes during weather fluctuations, outside during warmer weather and heading indoor during cold weather, had a large impact.What health and science experts seem to agree on is that the air does get drier in the winter from both the cold air outside and heated air inside. And that without proper ventilation, any coronavirus droplets in a space could linger longer and become more concentrated.This dry air can also cause nasal passages to dry out, which means noses could have less protective mucus. Some doctors have said whether or not the science completely proves humid air can help slow the spread of coronavirus, having more humidity in the air can make this winter more comfortable and noses more able to protect against all virus. 2051