https://www.selleckchem.com/pr....oducts/alpha-cyano-4
To analyze the frequency of sadness, nervousness, and sleep disorders during the COVID-19 pandemic in Brazil, identifying the most affected demographic segments. This was a cross-sectional study using an online questionnaire answered by adults and elderly people to collect information on living conditions, health and health-related behaviors. Prevalence rates and prevalence ratios adjusted for age and sex were estimated. The data on 45,161 Brazilian respondents showed that during the pandemic 40.4%