Which of the following is a possible consequence associated with prolonged exposure to lead?
a. increased occurrence of delinquent behavior
b. increased occurrence of adhd
c. increased occurrence of depression
d. increased occurrence of obesity

The correct option is B.
When a person is exposed to lead, the lead get stored up in the person's blood, tissues and bones. As one gets older, the lead in the body begin to cause all manner of health problems. Blood poisoning usually occurs when a person is exposed to high level of lead over a short period of time. Lead as been implicated as the causative agent of many health problems including ADHD.
ADHD stands for Attention Deficit Hyperactive Disorder. ADHD is a neuro-developmental mental disorder that involves inattention and distractibility, which may or may not be accompany with hyperactivity. It occurs in both adult and children.