How menopause is transforming your brain and how young is too young for the the gym

It's now clear that during menopause, women's brains undergo significant changes. But world-renowned neuroscientist Dr Lisa Mosconi says that with the right treatment and support, women can emerge from this period with renewed and enhanced brains rather than depleted ones. And is the gym the right place for teenagers or pre-teens to be working out? How old should kids be before they lift weights? And what does a safe, age-appropriate and fun kid's strength work-out look like?