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 morePeople experience grief differently, yet despite these differences certain general patterns or phases can be identified. The loss of a... 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 »
Question: What are healthy resting heart rates for men and women of different ages? Answer: Normal heart rate for adults at rest can be... Read more »
Dear Dr. Motola: What is the normal PSA for a 69 year-old man? At what level does the PSA become troubling or warrant further tests? ... Read more »
Lisa Nelson RD #12: Many individuals that visit MyHeartCentral are confused about the relationship between blood pressure and heart rate. ... Read more »
Researchers at the Mayo Clinic say that patients who have Barrett's esophagus have the same survival rates as the overall population. The study,... Read more »
Source: ADAM Encyclopedia
Aldosterone - urine Normal Values Normal values range from 1.5 to 85 micrograms per 24 hours. However, results depend on the amount of... Read more »
Source: ADAM Encyclopedia
Peak flowNormal ValuesNormal values vary based on a person's age, sex, and size. Peak flow measurements are most useful when a person compares the... Read more »
Source: ADAM Encyclopedia
Abnormality of the urea cycle - hereditary; Urea cycle - hereditary abnormalitySymptomsTypically, the baby begins nursing well and seems normal.... Read more »
Source: ADAM Encyclopedia
An abnormally shaped tooth is any tooth that has an irregular shape. Alternative Names Hutchinson incisors; Abnormal tooth shape; Peg... Read more »