A positive-feedback loop between tumour infiltrating activated Treg cells and type 2-skewed macrophages is essential for progression of laryngeal squamous cell carcinoma.

Positive correlation is a relationship between two variables in which both variables move in tandem.

Financial panics and market crashes are examples of positive feedback in markets that head in the negative direction. Bubbles are positive feedback loops that instead send prices higher.

From Mamta Badkar Bank of America's Michelle Meyer and Justin Borst say that a "positive feedback loop has begun". They argue that when people think home prices are rising, they think ...