Ah, youth. We might not want to actually be 17 again, but we'd sure love to have the energy and powers of recovery, not to mention the lack of wrinkles and sun spots. But we just have to put up with getting old, right?

Not so fast, says holistic nutritionist Meghan Telpner. "We tend to accept in our society that degenerative disease is part of the aging process," she says. "But a lot of it comes from lifestyle."

So how can you tweak your lifestyle habits to stay younger inside and out? Here are seven suggestions from Telpner to integrate into your daily life.