Developmental theorists have long argued that human psychosocial development ... there are identifiable stages of text messaging development across the lifespan. Each has developmental tasks ...

A person's risk of death slows and even plateaus above age 105, a new study reports, challenging previous research saying there's a cutoff point past which the human life span cannot extend.

Human life expectancy is increasing at a slower rate than it did in the 20th century, a new study of 10 wealthy countries hints. During the 20th century, improvements in public health and medicine ...

Jan Vijg a professor of genetics at the Albert Einstein College of Medicine in New York City, who has also researched the limits of human life span, agreed, saying that Dr. Olshansky’s study was ...