Dietary Nitrate Supplementation Improves Exercise Capacity and Endothelial Function in Subjects with COPD

Written by Taylor Woosley, Science Writer. Findings of the systematic review and meta-analysis of 11 RCT studies show that dietary nitrate supplementation significantly improved exercise capacity, endothelial function through improved flow-mediated dilation, and reduced breathlessness in COPD subjects compared to placebo.  (more…)

Daily Consumption of a Garlic and Onion Extract May Have a Protective Effect Against Respiratory Infections in Elderly Residents of Care Facilities

Written by Harold Oster, MD. Results show that daily consumption of a garlic and onion extract concentrate may lower the incidence of respiratory infectious diseases in a population of elderly residents of a care facility, but other factors may have played a role in producing the apparent benefit. (more…)

Active, Passive and Electronic Cigarette Smoking Associated with Asthma in Teens

Written by Jessica Patella, ND. This study found that both active and passive smoking, and E-cigarette smoking were positively associated with asthma in the past 12 months in Korean adolescents. However, for lifetime asthma, the study found associations that were significant for active and passive smoking, suggesting a need for evaluating the effects of active and passive E-cigarette smoking as well. (more…)