Health on MSN

What's the difference between a boil and a cyst?

Boils are painful, pus-filled, and are caused by infections like Staphylococcus aureus. Cysts are painless, non-infectious ...

I felt a pop in my neck - it turned out my brain had exploded

Looking back at how she discovered the condition, Dr Hard said: "I felt this jolt in my neck like I had cricked a muscle.