Recurring colds and chronic infections are two common signs of a weakened immune system, according to Michael T. Murray, N.D., who operates the website DoctorMurray. Other symptoms of a weakened immune system include frequent cold sores or genital herpes and swollen and tender lymph nodes.Continue Reading
An abnormal mental state, diet, lifestyle and stress level can cause a weakened immune system, according to Murray. A weakened immune system not only means that a person will spend more time getting sick, but also that her immune system will continue to weaken and lead to chronic illness and disease.
According to Nancy Kalish of Yahoo Health, being overweight, consuming excessive sugar and not staying hydrated are some of the most common ways to depress the immune system and weaken its functionality. Long-term stress places a great burden on the immune system and can cause fluctuations that lead to an inability to fight infection and disease.
A healthy adult gets one to three colds per year, says Kalish. If a person picks up more colds than this or the typical cold lasts for more than three to four days, the chances are good that the immune system is not functioning at its top level.Learn more about Medical Ranges & Levels
According to the University of Rochester Medical Center, people who have a weakened immune system become more susceptible to illness and have trouble fighting these illnesses when they occur. Weak immune systems allow bacteria, viruses and other diseases to run through the body unchecked.Full Answer >
According to WebMD, vitamin C can improve the immune system, help prevent colds, lower the risk of stroke in patients and reduce the signs of aging. Vitamin C can be taken orally or applied in serum form directly to the skin to obtain its benefits.Full Answer >
Herbal supplements, such as echinacea and goldenseal, as well as 20 to 30 minutes of cardiovascular exercise each day can help to boost the immune system, which may help to prevent colds following exposure, explains WebMD. Handwashing and cleaning surfaces with alcohol can also help prevent the transfer of germs.Full Answer >
The immune system is a group of cells, tissues and organs that function to recognize and destroy pathogenic bacteria and viruses. It is the body's main defense against foreign antigens and works to keep humans healthy everyday.Full Answer >