Lead Poisoning

Sources: Automobile exhaust.  Sanding or open flame burning of lead based paint.  Activities involving lead solder.

Health effects: Impaired mental and physical development in both fetuses and young children.  Decreased coordination and mental abilities; damage to kidneys and nervous system, and red blood cells.  May increase blood pressure.

Steps to reduce exposure: If you suspect that pain you are removing may contain lead, have it tested; leave lead based paint undisturbed, do not sand or burn off.  If lead exposure is suspected, consult your health department about appropriate removal and clean-up procedures and have your blood lead levels tested.

http://www.epa.gov/reg3wcmd/lp-faqhealth.htm