Behavioral health refers to all behaviors that impact health. Mental health and substance use disorders are a very small, but attention getting subset of behavioral health, which includes behaviors related to obesity, diabetes, heart disease, HIV, even ebola, malaria, tuberculosis, and other diseases.
I don't think I said that ... I predicted that human cloning would be with us in 10 years and I still believe that is the case, because there is a demand among a small number of people for this technology to have babies. It's being driven by the marketplace.
A human being takes approximately 40 weeks, give or take two weeks (38-42 weeks), from the time of conception (the egg and the sperm meet) until the baby is fully developed. If an infant is born at or before 37 weeks s/he is called a premature infant. If s/he is born after 42 weeks it is considered a post term infant.