Positive emotions are associated with lower levels of inflammation in the body. More specifically, a recent study examined how the breadth and relative abundance of emotions that individuals experience, known as emodiversity, is related to systemic inflammation. Using diary data from 175 adults who provided end-of-day reports of their positive and negative emotions over 30 days, the results showed that greater diversity in day-to-day positive emotions was associated with lower circulating levels of inflammation. The authors comment ‘These findings highlight the unique role daily positive emotions play in biological health’.
In a comparative study, researchers investigated the efficacy of eight commercially available products, two fragrances, and a vitamin B patch to repel two species of mosquito. The results showed that DEET repellents are the most effective mosquito repellents in the market. In addition, Cutter Lemon Eucalyptus Insect Repellent displayed similar efficacy compared with DEET repellents. This DEET-free repellent had similar rates and duration of repellency as the commercially available DEET repellents.
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A recent study compared nanocrystalline silver, manuka homey, and conventional dressing for the treatment of diabetic foot ulcer. The results showed that the proportions of complete ulcer healing were 81.8%, 50%, and 40% in the silver, honey, and conventional groups, respectively. The ulcer size reduction rate was higher in the silver group (97.45%) than the honey group (86.21%) and the conventional group (75.17%). In bacteriology, silver showed a greater rate of microorganism reduction although it was not significant.