Often we forget that a compliment towards another person can greatly impact their day or even completely change the way they ...

A complement C4 (also known as a complement component 4, or simply C4) is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system ...

Complement component 3, often called C3, is an essential protein of the immune system. This protein plays a vital role in the body’s innate immune system, providing: the first line of defense against ...

Global understanding of complement has shifted and developed since the 21st century: from our idea of a blood-based antibiotic system to a global regulator of immunity and tissue homeostasis. Recent ...

When it comes to the English language, I'm confident no one meant to confuse us. There wasn't a panel of mean English teachers who sat around a table, finding ways to ...

A few weeks ago, I was picking up my son from day care when I ran into a new mom friend. We chatted about our weekends and the kids, but she caught me off guard with a simple comment: “I like your ...

About a week ago, I noticed a 40-something-year-old woman next to me in a café, picking a straw and mixing her coffee order. She was wearing a gorgeous pair of boots, leopard print scarf, sharp blazer ...

When told what to kill, the complement system deftly deals the final blows—helping the immune system purge away pathogens and infected cells. But in the nervous system, debate rages as to whether this ...

When someone gives you a compliment, it should be taken as a positive thing, but too often we get suspicious of people when they tell us something positive about ourselves. There can be a hundred ...