It is pointed out that menthol extract can improve the sleep quality of the elderly

Recently, a study published in the Journal of alternative and complementary medicine pointed out that peppermint extract (http:// can improve the sleep quality and short-term memory of the elderly In this randomized, double-blind, placebo-controlled trial (http:// researchers recruited 90 men and women in general health (http:// aged between 50 and 70, from the biofortis clinical research center, a contract research institution based in Illinois The clinical trial was conducted at Addison laboratory in biofortis Volunteers expressed their willingness to maintain their habitual diet and exercise habits, and to maintain a continuous sleep time in the night before the study Volunteers completed cognitive, emotional, and sleep assessments, all in the form of questionnaires The researchers then randomly divided 90 participants into three groups, 30 in each group, one group taking placebo as the control group; one group taking 600 mg of peppermint extract as the low-dose group; one group taking 900 mg of peppermint extract as the high-dose group Peppermint is taken with breakfast every day in the form of two capsules The experiment lasted for 90 days The results showed that the working memory ability of the high dose group was 15% higher than that of the placebo group The study found that peppermint and rosemary extracts improved age-related oxidative markers in the brain tissue of mice The researchers said the study still had limitations, including potential confounding factors such as participants' diets and lifestyles.