How can you improve your immune system to better resist diseases and infection? Follow this effective, simple and evidence-based advice: Look after your skin. The epidermis, the outermost layer of skin, contains a network of Langerhans cells that provide a physical barrier against infection. Because skin serves as the interface with the external environment, one […]
It’s a fact that deep sleep reactivates and strengthens specific memories. How does that work? Through replay. The neurons that make new connections in the brain when you are in the process of learning something reactivate during sleep. So, if you study for a test just before going to bed at night or before a nap, you’ll remember better […]
