Negative affect and anxiety intensified the link between pain and reduced physical function in systemic sclerosis, according to recent research.

Understand the concept of positive feedback and its role in amplifying signals in various systems effectively.

Patients with at least 5 comorbidities had worsened pain and functional scores compared with patients with 3 comorbidities at 12 months following TKA.

Writing \(y = x^2 – 6x + 4 \) in completed square form gives \(y = (x – 3)^2 – 5\) Squaring positive or negative numbers always gives a positive value. The lowest value given by a squared ...