By Steven Reinberg
HealthDay Reporter

WEDNESDAY, July 23 (HealthDay News) -- Eating half a serving of soy food a day lowers sperm concentrations and may play a role in male infertility, particularly in obese men, Harvard University researchers report.

The reason for this relationship between soy and sperm count isn't clear. However, researchers speculate that soy increases estrogen activity, which may have a negative affect on sperm production and also interfere with other hormonal signals.

Simply stated, osteoporosis is a misbalance between bone construction and destruction, where the building activity of bone is greatly diminished resulting in an overall loss of bone density and ultimately, weaker bones. The bone deteriorating disease is preventable, yet over 44 million Americans, most of which are women, currently suffer from the disease making it a common concern among women of all ages, but particularly those over 50.

Some women just aren't comfortable using HRT. The National Center for Complementary and Alternative Medicine has put together a list of alternative treatments and their researched effectiveness.

Botanicals