The sympathetic and parasympathetic systems lead to permanent pupillary fluctuations. These fluctuations are different from pupillary diameter variations (PD) that increases proportionally with pain intensity. The pupillary fluctuations are measured using the variation coefficient of PD (VCPD).
More than 50% of patients complain of hypersensitivity in the amputation stump, and chronic pain, in both the residual limb and the area referred to the body part removed. Rosario Privitera et al. conducted a functional MRI study to determine the efficacy of a single 60 minute application of capsaicin 8% patch in minimising chronic amputation stump and phantom limb pain, associated hypersensitivity with quantitative sensory testing, and changes in brain cortical maps using functional MRI (fMRI) scans.
Acute low back pain refers to pain condition that prevails for 6 to 12 weeks between the coastal angles and gluteal folds radiating down one or both legs (sciatica). It is often nonspecific, hence its cause remains unknown. Jasper D.Bier et al. conducted a study that aims to evaluate the extent of patient-reported nonadherence with the guideline-recommended care for acute low back pain.
Vitamins and minerals are chemical compounds essential for the normal functioning of the body. They are required for various body processes including energy metabolism, cell regulation, and a healthy immune system. Many multi-mineral and multi-vitamins are available in the market. Xuesheng Han and his colleagues conducted a pilot trial to assess the health-related benefits of a multivitamin, multi-mineral, herbal, essential oil–infused supplement using serum bio-markers, qualitatively as well as quantitatively.
A musculoskeletal disorder characterised by tenderness, widespread chronic pain, and often accompanied by other comorbid conditions such as depression, anxiety, chronic fatigue is termed fibromyalgia (FM).
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