ABC News medical contributor Dr. Alok Patel breaks down what you need to know about staying healthy this holiday season as health experts sound the alarm about measles and the flu. Senior researcher ...

Get ahead of the forthcoming cold and flu season with the best air purifier. Not to mention, allergens and pollutants like dust, pet dander, mold spores, and smoke can leave you with symptoms like ...

Human development is influenced by, but not entirely determined by, our parents and our genes. Children may have very different personalities, and different strengths and weaknesses, than the ...

Loss of neurons is thought to be irreversible in the adult human brain, because dying neurons cannot be replaced. This inability to generate replacement cells is thought to be an important cause of ...

WEST GLACIER, Mont. - George Stevenson's brain appeared to be sweating, glistening on a bright red plastic picnic plate there in the heat of the day.