Antigens are any molecules that elicit adaptive immune response. Antigens protrude from pathogens or other intruding substances. Antibodies are proteins found in blood plasma that attach to one particular kind of antigen and help to counter its effects.
The work of public health professionals is important because public health initiatives affect people every day in every part of the world. It addresses broad issues that can affect the health and well-being of individuals, families, communities, populations, and societies—both now, and for generations to come.
Answer:
Healthy lifestyle
Explanation: We should always adapt for a healthy lifestyle because it can make us disease free and always fit. Whereas junk food and lifestyle can be harmful for our body and can give us diseases. So, healthy adaption is better.