The FDA's mission is to protect the public health by ensuring the safety, efficacy, and security of human and veterinary drugs, vaccines and other biological products, and medical devices.

The FDA is responsible for approving new drugs and medical devices, inspecting food processing plants, and setting standards for food safety. However, it is not responsible for conducting clinical trials.

The FDA's role in the drug approval process includes reviewing and evaluating the safety and efficacy of new drugs, setting standards for the manufacturing and distribution of drugs, and monitoring the safety of drugs after they are approved.

The FDA's role in the medical device approval process includes reviewing and evaluating the safety and efficacy of new medical devices, setting standards for the manufacturing and distribution of medical devices, and monitoring the safety of medical devices after they are approved.

The FDA's role in food safety includes setting standards for food safety, inspecting food processing plants, and investigating foodborne illness outbreaks.

The FDA's role in tobacco regulation includes regulating the sale and distribution of tobacco products, setting standards for the labeling of tobacco products, and conducting research on the health effects of tobacco.

The FDA's role in cosmetics regulation includes ensuring the safety of cosmetics, setting standards for the labeling of cosmetics, and monitoring the safety of cosmetics after they are marketed.

The FDA's role in veterinary medicine includes approving new animal drugs and medical devices, setting standards for the manufacturing and distribution of animal drugs and medical devices, and monitoring the safety of animal drugs and medical devices after they are approved.

The FDA's role in global health includes working with other countries to ensure the safety of food and drugs, providing technical assistance to other countries in developing their own food and drug regulatory systems, and conducting research on global health issues.

The FDA's role in public health emergencies includes coordinating the response to public health emergencies, providing technical assistance to state and local health departments, and conducting research on public health emergencies.

The FDA's role in health policy and advocacy includes developing and implementing health policies, advocating for policies that protect the public health, and working with other government agencies to promote public health.

The FDA's role in research and development includes conducting research on new drugs and medical devices, supporting research on public health issues, and working with other government agencies to promote research.

The FDA's role in education and outreach includes providing information to the public about food and drug safety, educating healthcare professionals about new drugs and medical devices, and working with schools to teach children about food and drug safety.

The FDA's role in enforcement includes enforcing the laws and regulations that govern food and drug safety, taking action against companies that violate the law, and working with other government agencies to enforce the law.

The FDA's role in international cooperation includes working with other countries to ensure the safety of food and drugs, providing technical assistance to other countries in developing their own food and drug regulatory systems, and conducting research on global health issues.