1 Pain that does not diminish with rest, and pain that may be worse at night than during the day. 2  Back pain along with constitutional symptoms, such as loss of appetite, unplanned weight loss, nausea, vomiting, or fever, chills or shakes.
Onions produce the chemical irritant known as syn-propanethial-S-oxide. It stimulates the eyes' lachrymal glands so they release tears. Scientists used to blame the enzyme allinase for the instability of substances in a cut onion.
While onions can be harvested and eaten at any stage, the most satisfying part of growing onions is being able to pluck a fresh onion from the pantry months after youâve plucked it from the ground. Curing makes that happen. Curing is a month-long process of drying down your onions to prep them for storage.