Reactive oxygen species (ROS) act as a double-edged sword in cancer. where low levels of ROS are beneficial but excessive accumulation leads to cancer progression. Elevated levels of ROS in cancer are counteracted by the antioxidant defense system. An imbalance between ROS generation and the antioxidant system alters gene expression and cellular signaling. https://thebrickes.shop/product-category/propane-refrigerator/