Are you concerned about how to keep your hair healthy and gorgeous? After all, who wouldn't want lustrous locks with plenty of shine and body? Judging from the estimated $38 billion spent worldwide on hair care products each year, we take our tresses very seriously.

Do you catch colds and viruses often? Are you run down and fatigued most of the time? You may have a weak immune system. Have you ever noticed how some people catch cold after cold while others are never sick? Different people have different immune systems and research shows that certain habits can affect your susceptibility to catching colds and the flu.

The Thanksgiving holiday is a time when most of us watch football, relax and eat massive amounts of pumpkin pie, stuffing and turkey. After a big meal the family retreats to the couch where everyone starts to doze off in front of the Thanksgiving Day football game. So why are we all so tired? Because we ate too much turkey, of course.

Vitamin D deficiency is a serious public health concern that many experts say is at widespread epidemic proportions. It's estimated that as much as 40% to 50% of Americans are deficient in vitamin D. New research has linked low vitamin D levels to numerous health dangers and provided further evidence that the "sunshine vitamin" plays a much greater role in our health than just strengthening our bones.