Explanation:
4 Environmental Effects
1) Poor Parental Care
(Ex: Of a pregnant woman takes certain drugs, malnourished, contracts infections, smokes, drinks or is exposed to second hand smoking, her child is at risk of having learning disabilities and a lower IQ).
2) Malnutrition
(Ex: The average IQ gap between severely malnourished and well-nourished children can be as high as 20 points).
3) Exposure to Toxins
(Ex: Dust, contaminated soil, lead paint, old lead pipes can cause brain damage and damage to the nervous system).
4) Stressful Family Circumstances
(Ex: A father who does not live with the family, a mother with a history of a mental illness, parents with limited work skills, a history of stressful events, domestic violence --> lead to reduced intellectual competence).
