The data from the RCT found that compared to placebo, the curcuma longa extract significantly improved scores relating to orientation and attention. (champpixs/Getty Images)A dual-extracted Curcuma longa extract focusing on active sesquiterpenoids rather than curcuminoids showed promising results on cognitive scores in a new study published in Frontiers in Nutrition. Researchers at Japanese health food and functional beverage company House Wellness Foods Corp. evaluated its effect on cognitive scores in healthy participants with subtle cognitive weaknesses. Explore related questionsFindings showed that compared to placebo, the supplement significantly improved scores relating to orientation and attention. (mapo/Getty Images)A hop-derived nutraceutical may help adults with overweight lose body fat while maintaining muscle mass, according to a 24-week RCT.