A varicocele is an abnormally enlarged and twisted (varicose) vein in the spermatic cord that connects to the testicle. Varicoceles are found in about 15% of all men and in about 40% of infertile men, although it is not clear how much they affect fertility or by what mechanisms. They can raise testicular temperature, which may have effects on sperm production, movement, and shape.
Age-related sperm changes in men are not...
Read moreThink of your metabolism as an engine. It's ability to "run" means biochemical processes that keep us alive are ongoing. Your metabolic... Read more »
During any type of medical visit, there are four main vital signs that are routinely monitored by the medical professionals. These vital... Read more »
Lisa Nelson RD #12: Many individuals that visit MyHeartCentral are confused about the relationship between blood pressure and heart rate. ... Read more »
HPV and the Abnormal Pap Abnormal Pap smears always make women anxious and make us wonder if we have cancer. Over the past decade, a... Read more »
I hope everyone had a pleasant Labor Day, and has had a wonderful summer. I'll be finishing the summer's blogs with some more good news... Read more »
Blacks tend to develop heart failure 20 years earlier than whites, a long-running study shows. Read more »
Cluster headaches are often said to be the most painful of all headaches. They have been described as "boring," bearing, burning," "like a hot poker... Read more »
U.S. health officials are reporting that more babies were born in the United States in 2007 than ever before. Birth rates increased in all age... Read more »
Statistics suggest that people who practice some careers are more prone to major depression than people who are in other careers. In this slideshow,... Read more »
It's long been known that suicide rates in the United States are higher among residents of the mountainous regions in the west. Now researchers say... Read more »