Recent studies indicate that, in addition to usual measures such as handwashing, good ventilation, and vaccination, there are less common but effective ways to strengthen the immune system.
According to Science Focus magazine, maintaining optimal humidity levels is key to preventing viral infections. Research has shown that influenza viruses survive longer in dry air, and low humidity weakens the body's defenses, making the mucous membranes of the eyes, nose, and throat less effective. Therefore, experts recommend maintaining indoor humidity between 40% and 60%, using humidifiers with automatic controls.
intense physical activity weakened the immune system , increasing the risk of illness, but studies conducted by Dr. John Campbell of the University of Bath have shown the opposite. During exercise, immune cells are activated and migrate to vulnerable tissues, thus boosting the body's defenses. Both aerobic and strength training exercises are effective in stimulating the production of proteins that support the immune system.
As for vitamins, vitamin D has been shown to strengthen the immune system during winter, while vitamin C only slightly reduces the duration of illness. Furthermore, adults are advised to take 10 micrograms of vitamin D daily from October to March. Research conducted by scientists at the University of Surrey has shown that vitamin D3 is more effective than D2 because it activates genes that boost defense against viruses and bacteria.
