Answer:
The USDA is responsible for regulating meat and agricultural products. Examples include cuts of beef and produce like spinach. The FDA is responsible for regulating other food and health-related items. Examples include processed foods and diet pills.
Explanation:
The internet is never a good source for information, you should checkout your physician, a news article or even a pamphlet that you can acquire at your local hospital or doctors office! Maybe even checkout health seminars that are local, and possibly a book though they are often updated frequently so the information is liable to change at any point!
In most babies it will be about 3-4 months.