CORTISOL

This study tested whether a nerve block called the erector spinae plane block (ESPB) can reduce pain and stress after sleeve gastrectomy, a type of weight-loss surgery. Sixty adults with obesity were randomly assigned to receive either the nerve block plus standard painkillers or…

This study looked at whether massage therapy after open heart surgery can reduce pain, improve sleep quality, and lower stress hormone levels. 96 adults who had elective open heart surgery took part. Some received back massages, while others received standard care. Researchers me…

This study tested PeptiSleep, a plant-based capsule, in 120 healthy adults over 6 weeks. Participants took either PeptiSleep or a placebo daily and wore a sleep tracker. The goal was to see if PeptiSleep improves sleep quality, morning alertness, and overall well-being.

This study looked at whether adding verbal cues (like the therapist saying "reach higher") to a standard exercise program helps breast cancer survivors on radiation therapy. 34 women took part in a 12-week program. The goal was to see if verbal cues improve shoulder movement, red…

This study looked at whether a postbiotic supplement can improve markers of gut, heart, and immune health in 76 healthy adults aged 18 to 65. Participants took either the supplement or a placebo for 4 weeks. Researchers measured changes in gut bacteria, fatty acids, stress hormon…