Obesity is known to increase risk of developing COVID-19, but the underlying mechanisms were poorly understood. Scientists now explain how obesity in adults and children results in decreased amounts of cytokine production, leading to a weakened immune response to coronaviruses Read Blue Briefing: Obesity is Associated with Attenuated Tissue Immunity in COVID-19: https://www.atsjournals.org/doi/10.1164/rccm.202204-0751OC