Last week be began to explore what minerals your body needs to stay bright and beautiful on the inside, and consequently also on the outside.

Silicon and sulfur began our journey, yet there are three more potent minerals we need for consistent radiance.

Zinc acts through 25 enzymatic processes involved in digestion and metabolism.

It nourishes and assists with skin beauty, cell and bodily development, repair and growth, sexual development, and aids the lymph and liver in eliminating waste efficiently.

Why is it that some women have all the luck?

From great, movie-star hair, to a naturally thin frame, some women just seem to have it all, effortlessly. Or, do they?

Can it really ever be effortless to maintain a lean body?

Can the rest of us -- the ones who sweat it out in boot camp and diet away to maintain our healthy frame -- learn the tricks of lean-ness that some women seem to naturally possess?

Or is it just a myth that certain habits can lead to a fitter, leaner body?

Just when you think it's over ...

Right after you complete a really tough workout and you just want to fall down on the floor because your legs feel like jelly ... do this circuit!

This is a leg finisher! Use this quick circuit to push your legs farther than you have before.

Don't let that quivering feeling in your thighs give you the signal that your workout is done.

If you really want to see results, you have to push a little bit farther -- and this circuit will do that for you.

Many fitness experts maintain that exercisers must work within the 8 to 12 repetition range to initiate muscle hypertrophy.

However, recent studies suggests that low-load, high-volume strength training can also impact muscle growth.

Researchers from McMaster University in Hamilton, Ontario, studied 15 men as they performed four sets of unilateral leg extensions at 90% 1-RM and 30% 1-RM. The subjects were instructed to work until failure.