The statement is once a year for women over 40 as they're more likely to develop breast cancer. Also it's once a year for all women over 18 with a family history of breast cancer as it is very rare to develop breast cancer as a child.
The scientific name for humans is Homo sapiens.
Pathogens are bacteria, viruses and fungi that cause disease.
migraines and mental illnesses are NOT caused by pathogens. strep throat is caused bacteria, athlete's foot is caused by a fungus and the common cold is caused by a virus. so given the definition and causes you should be able to figure it out!!