Respiratory viral infections awaken metastatic breast cancer cells in lungs

“We have shown that vitamin D3 appears to stimulate the type I interferon signaling system in the body – a key part of the immune system that provides a first line of defense against bacteria and viruses. Thus, a healthy vitamin D3 status may help prevent viruses and bacteria from gaining a foothold in the body". https://scitechdaily.com/study-finds-vitamin-d3-important-fo...

Is this an argument for testing and labeling of smokables?

Have people been contracting breast cancer due to untested contaminated smokables?

Where the state has obstructed institution of tested and labeled options for the consumer, has the state caused higher incidence rates of breast cancer?