Biology sets the context, and that is critical, but obesity still boils down to whether a person eats too much or exercises enough.

I regret not working harder to create true friendships with other couples, not seeking out people with whom to go do things and go places - people with whom to have a few crazy, memorable bonding adventures.

When a trait is universal, evolutionary biologists look for a genetic explanation and wonder how that gene or genes might enhance survival or reproductive success.

For humans and animals alike, truly vigorous, wholehearted, spontaneous play is something of a biological frill.

The family is one of nature's masterpieces.

It is easy but inaccurate to label any legislation which makes it easier for working families to combine family and work responsibilities 'job killers.'

I was the first one in the family, on either side, to go to college - much less graduate school.

I came from a big family... a big family of Southerners.