Psoriasis looks and feels different depending on the type. Learn how to recognize plaque, guttate, pustular, and other forms, including nail and joint symptoms.
Blue asbestos was once used in pipes, ships, and even cigarette filters. Learn what made it so widely used and why it's considered the most dangerous asbestos type.
An IV lock keeps a small catheter in your vein without a constant drip, letting nurses give medications as needed. Here's how it works and what to expect.
Tonsillectomy can help with chronic infections and sleep issues, but it's not right for everyone. Here's what the evidence says about benefits, risks, and recovery.
TB spreads through the air, but your genes can influence how vulnerable you are. Here's what science says about the role of genetics in tuberculosis risk.