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.
Split skin. When a tomato fills up with water too fast, usually after a dry spell, the skin can split. Some varieties are âcrack resistant,â which means they donât split easily, but none are crack proof. Be sure to harvest and eat fruit with cracks right away.