1. Eat low on the food and marketing chain by buying direct from farmers, co-ops or free-trade distributors.

2. Stick with organic or sustainably-grown produce when possible. A study found that children who ate only organic produce had one-sixth the level of pesticides in their bodies of those who ate conventionally grown fruits and vegetables.

3. Vary the fish and shellfish you eat to lower your exposure to mercury. Pregnant women should eat no more than 12 ounces a week of cold-water fish such as tuna and avoid shark, swordfish, and king mackerel altogether. Read the rest of this entry »