👉 Squinancy is a type of disease in which the body's immune system mistakenly attacks healthy cells, causing inflammation and damage. It can cause symptoms such as fever, headache, fatigue, and swollen glands. Squinancy is often seen in people who are exposed to certain triggers or allergens, like certain foods or substances. The term "squint" comes from the Latin word for squinted eye, which suggests that squinancy may be a result of an inability to focus on something