Millions of us take ibuprofen and other anti-inflammatory drugs to reduce swelling and pain after an injury. But are we inadvertently increasing the risk of pain that lasts months - even years?

Self-determination theory offered a new model of what a human being is. Behaviorists said motivation comes from outside, while SDT argued that the deepest motivation is intrinsic.

The middle meningeal artery (MMA) has emerged as a potential therapeutic target for severe, treatment-resistant headache ...