Scientists have found that older people produce higher levels of apolipoprotein D (ApoD), which impairs their immune response to influenza, leading to more severe disease; targeting ApoD could help reduce flu severity in the elderly.
NASA's Astronomy Picture of the Day (APOD) features stunning images of the cosmos, including rare phenomena like a rocket plume shadow pointing to the moon, the Helix Nebula in hydrogen and oxygen, the Milky Way over the Seven Strong Men rock formations, the Butterfly Nebula from Hubble, and the Horsehead Nebula in infrared. Other captivating images include the Lagoon Nebula, the Orion Nebula in visible and infrared light, the Veil Nebula, the Andromeda Galaxy in ultraviolet, and the Sun's corona from the Solar Dynamics Observatory, showcasing the beauty and wonder of our universe.