Personal Health & Fitness Bob Sanderson, who is in his late 60s, volunteers his time at Acadia National Park in Maine to help maintain the trails. He's getting exercise and volunteering for his community. Also, Miriam Nelson of Tufts University discusses the importance of women, especially older women, lifting weights and doing weight-bearing exercises.
	Fuel for the Road Nutritionist Laney Hixon settles that long-standing question: Which is better for you when you exercise-water or sports drinks?
	Gear to Go Host Mark Fenton tells us the 10 essential items you should have in your backpack when you go hiking.
	Call to Action Kent Olson tells us about the increasing number of tourists who not only visit America's National Parks, but do a bit of volunteering while they're there. Mark talks with several volunteers who are offering to do some park upkeep while on their vacation.
	Travel & Adventure Acadia National Park