What are the dangers of excessive blood lead levels?

If the lead content in the blood exceeds the standard, it will actually have a great impact on physical health. For example, the patient will experience headaches, dizziness, insomnia, etc. If this situation continues for a long time without relief, the body will be prone to lead poisoning or even death. If you have friends working in a heavy industrial environment, it is best to have regular physical examinations.

The metabolic half-life of lead in the human body is 1460 days. The long-term accumulation of lead that enters the human body every day can cause chronic lead poisoning. People will experience symptoms of neurasthenia such as fatigue, lack of energy, inattention, headache, dizziness, insomnia, and dreaminess, as well as mental or emotional changes such as mild excitement, irritability, anxiety, and hysterical attacks. There may also be gastrointestinal symptoms, such as loss of appetite, nausea, abdominal discomfort, etc. In addition, men may have decreased libido and impotence, and women may have menstrual disorders. It can also cause cardiovascular and cerebrovascular diseases and chronic respiratory diseases in middle-aged and elderly people.

1. Nervous system: irritability, hyperactivity, short attention span, aggressive behavior, slow reaction, drowsiness, movement disorders. Severe cases may include mania, delirium (a temporary neurological disorder characterized by confusion, bewilderment, incoherent speech, restlessness, agitation, and often delusions or hallucinations), visual impairment, and cranial nerve paralysis. When the blood lead level is around 1000 ug/L (4.826umol/L), symptoms of lead encephalopathy such as headache, vomiting, convulsions, coma, and even death may occur.

2. Digestive system: abdominal pain, constipation, diarrhea, nausea, vomiting, etc.

3. Blood system: microcytic hypochromic anemia, etc.

4. Cardiovascular system: hypertension and arrhythmia.

5. Urinary system: aminoaciduria, glucosuria, and hyperphosphaturia in the early stage; in the late stage, patients may experience symptoms of renal failure such as azotemia.