A poor diet that lacks essential nutrients generally causes nutritional deficiencies. The body stores nutrients. Therefore, a deficiency is usually detected after a prolonged lack of a nutrient. A number of diseases and conditionsâincluding colon cancer and gastrointestinal conditionsâcan lead to an iron deficiency.
Iodine is LIKELY SAFE for most people when taken by mouth at recommended amounts or when applied to the skin appropriately using approved products. Iodine can cause significant side effects in some people. Common side effects include nausea and stomach pain, runny nose, headache, metallic taste, and diarrhea.
The following are some of the symptoms of strychnine poisoning: 1  Limb rigidity. 2  Stiff muscles. 3  Severe spasms leading to arching of the head, neck and back in extreme hyperextension (opisthotonus). 4  Uncontrolled violent seizures (sometimes in response to bright lights or noise).