Assertion: immune system | /r/CapableOf | become overactive
Facets:
Source sentences:
text: According to the hygiene hypothesis, high levels of cleanliness expose children to fewer antigens than in the past, causing their immune systems to become overactive and more likely to misidentify own tissues as foreign, resulting in autoimmune or allergic conditions such as asthma.
text: In general, however, the overproduction of such molecules causes the immune system to become overactive, leading to increased inflammation and tissue injury.
text: But it can become overactive leading to inflammation, or underactive leaving you vulnerable to the flu and more serious infections.