Vitamin A is important for the maturation of various cells of the innate immune system. Vitamin A deficiency can impair protective barriers such as the skin and mucosal layers, can weaken the response to vaccination, and might predispose people to…
Freddie Sayers talks to Swedish doctor Soo Aleman about Covid-19. We hear a lot about Sweden’s experience of Covid-19, with the New York Times declaring this week that that country is now “the world’s cautionary tale.” But what’s it really…
SciShow is supported by Brilliant.org. Go to to get 20% off of an annual Premium subscription. For a respiratory disease, COVID-19 sure seems to affect more than just the respiratory system. Scientists think the receptor ACE2 is to blame. COVID-19…
Vitamin C plays a critical role in immune function. Vitamin C is highly concentrated in immune cells, where it serves as a potent antioxidant. Vitamin C also boosts the immune system by promoting the proliferation of T cells and preventing…
Data on the actual prevalence of COVID-19 has been limited due to a variety of factors including asymptomatic spread and testing limitations. Dr. Seheult of breaks down a new large study from Spain on the prevalence of SARS-CoV-2, antibody tests,…
Nutrition plays an essential role in immune function. Most people living in the United States obtain sufficient protein, carbohydrates, and fats in their diet. However, many people lack essential vitamins and minerals, which must be obtained from our diets since…
