Mushrooms have shown potential in fighting influenza infections due to beta-glucan fibres that could act as a barrier against flu and reduce lung inflammation. Experiments on mice by researchers from McGill University reveal that beta-glucans boost lung function and lower the risk of serious disease. Mushrooms have shown potential in fighting influenza infections due to beta-glucan fibres that could act as a barrier against flu and reduce lung inflammation. Experiments on mice by researchers from McGill University reveal that beta-glucans boost lung function and lower the risk of serious disease. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle