Patients injected with platelet-rich plasma blood containing high concentrations of platelets experienced a significant reduction in shoulder pain from rotator cuff tendinitis and tears compared with a procedure called dry needling, according to a study in Clinical Rehabilitation.

WSJ: The Research Report: How to Treat Burns With Running Water

Your brain senses trouble and tells your body to release adrenaline-like substances into the bloodstream the so-called fight-or-flight reflex which increases blood pressure, thus the link to sleep apnea and high blood pressure.

CNN: Sleep apnea: Can it cause heart disease?