The tort of intentional infliction of emotional distress has four elements: (1) the defendant must act intentionally or recklessly; (2) the defendant's conduct must be extreme and outrageous; and (3) the conduct must be the cause (4) of severe emotional distress. See Torts.
Zinc deficiency is caused by inadequate intake or absorption, increased zinc excretion, or increased bodily need for zinc. Zinc deficiency symptoms include growth and development problems, hair loss, diarrhea, impotence, eye and skin conditions, and loss of appetite. Other symptoms may include weight loss, delayed wound healing, taste changes, and mental slowness. Zinc can be measured in plasma, red blood cells, white blood cells, and hair.
A more severe lack can cause serious problems such as rickets (in children) and osteomalacia (in adults), described below. Treatment is with vitamin D supplements. Some people are more at risk of vitamin D deficiency, and so are recommended to take vitamin D supplements routinely. lack of vitamin D is very common. Vitamin D is mostly made in the skin by exposure to sunlight. Most foods contain very little vitamin D naturally, though some are fortified (enriched) with added vitamin D. A mild lack of vitamin D may not cause symptoms but can cause tiredness and general aches and pains.