Examples of sine qua non in a sentence. Patience is a sine qua non for this job.
Arginine promotes the growth and replication of herpes virus, while lysine hinders it. If you have herpes, you can consume foods rich in arginine provided your arginine-lysine ratio is in favor of lysine. To avoid outbreaks, cut down your intake of low-lysine, high-arginine foods, such as: seeds and nuts.
These are called solar flares. Solar flares are thought to be caused by sudden magnetic field changes in areas where the sun's magnetic field is concentrated. They're accompanied by the release of gas, electrons, visible light, ultraviolet light and X-rays.