Children under 2 or under the height and weight limit provided by child restraint system must sit in rear facing car seat. Children 5 years and younger must be in an appropriate child safety seat. Children at least 4 and up to 8 years old and under 4 feet 9 inches must use a booster seat.
A Dr. Grant Cooper, MD , Physical Medicine & Rehabilitation, answered. Good sources of selenium include salmon, tuna, shellfish, turkey, whole wheat bread, and cottage cheese. Three ounces of tuna provide 95 percent of the daily recommended allowance of selenium.
Selenium comes into food from soil, and Muglia pointed out that in places such as the African nation of Malawi, selenium deficiency is common, and the preterm birth rate is among the highest on the planet.