Examine Database: Lower Respiratory Tract Infection
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Is zinc useful for preventing or treating respiratory tract infections?
This meta-analysis of randomized controlled trials found that zinc reduced the risk of developing community-acquired respiratory tract infection, but this finding was based on only 4 of the included studies. Also, zinc reduced symptom severity at day 3 of infection but not symptom severity on average.
Infant formulas with prebiotics, probiotics, or synbiotics for the prevention of respiratory tract infections
Smoking may increase the risk of several respiratory diseases, including severe COVID-19
Vitamin D for preventing allergic diseases in early childhood
Reynoutria japonica for respiratory tract infections
Examine Database References
- Upper Respiratory Tract Infection Symptoms - Somnath SH, Biswal N, Chandrasekaran V, Jagadisan B, Bobby ZTherapeutic effect of vitamin D in acute lower respiratory infection: A randomized controlled trialClin Nutr ESPEN.(2017 Aug)