Chronic pain is an extremely common condition that affects about 20% of the general population. Given the shortage of effective and non-addictive analgesics, new anti-pain drugs are eagerly awaited.

If you’re dealing with lower back pain, you’re far from alone. Researchers have found that lower back pain is the fifth most common reason for all primary care visits and that about 80% of Americans ...

Fentanyl’s traditional molecular structure (left) works by acting on mu-opioid receptors (top) to reduce pain and a protein called beta-arrestin-2 (bottom) to cause respiratory depression, also known ...

Pelvic and lower back pain can occur at the same time for many reasons, ranging from arthritis to infections. If your pain is severe or lasts more than a few days, it’s important to see your doctor.

Back pain is a common concern for adults over 50, often resulting from weakened core muscles, reduced flexibility, poor posture, or age-related changes in the spine. Daily activities, such as bending, ...

Paresthesia describes the tingling or pins and needles sensation in the skin due to conditions affecting the nerves. Causes of tingling in the middle of the back can include infections or structural ...