The contestants return for a reunion to discuss unresolved issues in the second part of "The Challenge: Battle of the Eras" ...

The Challenge 40 Reunion Part 2 was released recently and continued the drama. It revealed secrets and hookups that viewers ...

A secret hookup, the end of the Vacation Alliance, a surprise appearance from TJ — this reunion special had it all.

Scientists at the University of Virginia have uncovered how different exercise intensifies the impact of the hunger hormone ghrelin in the body.

School-age children, roughly between age 6 and ... The average age of puberty onset is about 12 years, although research suggests that this age is gradually shifting earlier for more children ...