While our furry companions may live longer, they also face a higher risk of developing harmful conditions, like "dog dementia ...

If you have low testosterone, it could affect your sex drive. But low testosterone might not be the only reason to blame if you have no libido. iStock/Getty Images You have low testosterone when your ...

In men over 40, erectile dysfunction is usually caused by narrowing of the arteries that bring blood to the penis. But in men ...

In the shaft of the penis, there are two side-by-side chambers of spongy tissue called the corpora cavernosa. They're mainly responsible for erections. Just below them is another chamber called the ...

Many people do not realize that erectile disorder (ED), the inability to achieve or sustain an erection sufficient for intercourse, is extremely common. Today, 1 in every 10 men in the United States ...

Prostate enlargement, also known as benign prostatic hyperplasia (BPH), and erectile dysfunction (ED) are separate problems. Both increase with age, but one causes problems in the bathroom and the ...

The sphincter of Oddi is a muscular valve in the digestive tract that opens and closes. It allows digestive juices, bile, and pancreatic juice to flow properly through the ducts from the liver and ...

Hyperthyroidism often causes weight loss, while hypothyroidism can cause weight gain. Thyroid dysfunction can affect your mood and increase your risk of anxiety or depression. Identifying symptoms and ...