If DNA is the cookbook that cells can use to "build" your body, epigenetics is the cook that helps the body read and mix together our genetic recipe. Epigenetics is the study of how external and environmental factors can impact our DNA’s gene expression without changing the DNA itself. New research shows that epigenetic markers on sperm can assess risk for male factor infertility and poor embryo development.
Does frequent ejaculation cause any health problems? We receive a surprising number of emails asking about this. Particularly, there quite a few guys who worry about frequent masturbation. Does it harm reproductive health? We asked urologist and male fertility specialist Dr. Kathleen Hwang this question. See what she had to say.
Is semen an acid or a base? Could your semen pH be impacting your fertility? Get the facts about semen pH and learn what you can do to improve it.
A marvel of biological design, the cremaster muscle optimizes temperature, comfort and safety for the testes.
Urologists often order scrotal ultrasounds to confirm suspicions about abnormalities that they discover during a physical exam or to discover abnormalities that may be too small to detect by other means.
The first step is a hard one. The curious biochemistry behind pitching a tent. Learn the abc's of how erections work and common causes of erectile dysfunction.
Like islands just off the coast of a big city, testicles have a few bridges to the mainland. They are outfitted with a complex network of pipes designed to bring oxygen, nutrients and hormones in and send out sperm and testosterone produced in the testicle out.
You are what you eat, and so are your sperm. This article explores the fascinating biochemistry of how diet impacts sperm health detailing top nutrients studied to improve semen parameters and how they function are the cellular level.
Doctors refer to it as "testicular vasocongestion" or "epididymal hypertension". The rest of the world has a much simpler term: blue balls. The bane of existence for teenage boys everywhere, blue balls are a major pain in the...well, you get the idea. It's a condition that is so openly talked about that we now use it to refer to everything from movie trailer releases to business deals that weren't fully performed. But as much as we make light of this condition, it can bring physical discomfort and even cause undue strain on your relationship. What causes this condition and what can be done to fix it?
The machinery that makes sperm is a marvel of biology. This article explores the micro world of sperm production and the key factors that affect proper sperm development.