PCB's have been linked to lower I.Q.'s in children.
In addition, phosphoric acid, an ingredient in all colas, has been linked to lower bone density.
In utero pesticide exposure has been linked to lower IQs in infants.
Diets rich in polyunsaturated and unsaturated fats are linked to lower heart disease.
Childhood stress is also linked to lower IQ scores and academic achievement.
They were red grapefruits, which, as an earlier article pointed out, were linked to lower cholesterol in an Israeli study.
Lead paint has been linked to lower I.Q., retardation, learning difficulties, behavioral problems, stunted growth and hearing loss.
Happy emotions were linked to lower IL-6 levels, but the strongest correlation was with a surprising emotion: awe.
Besides that, it has been linked to lower cognitive function, and a rise in mental illness and asthma in children.
XPD polymorphism and decreased expression of XP genes have both been linked to lower DNA repair capacity.
Marijuana is linked to lower educational attainment.
