Elastic resistance
Learning Center
Varicocele
Find out how this condition involving the enlargement of veins in the scrotum can affect sperm quality and production.
Vascular rings
Learn more about this condition in which malformations of the aortic arch encircle the windpipe and esophagus and can press against them.
Vasectomy
Find out more about this procedure that provides nearly 100 percent effective male birth control by cutting the supply of sperm to semen.
Vasectomy reversal
Learn about this microsurgery procedure that can restore your fertility after a vasectomy.
Ventricular fibrillation
Without fast treatment, this heart rhythm problem can cause death within minutes. Learn the symptoms of VFib and what actions to take to save a life.
Vertebral tumor
Learn about these tumors that grow in the bones of the spine, causing pain and weakening the spinal column. Find out about diagnosis and treatment.
Vesicoureteral reflux
Learn about what happens if urine flows backward from the bladder. Usually found in children, this condition boosts the risk of urinary tract infections.
Video: 3 things you didn't know about cold sores
Cold sores on the lips can be embarrassing and tough to hide. Most people who are infected with the virus that causes cold sores never develop symptoms.
Video: Baby's soft spots (fontanels)
A baby's soft spots (fontanels) close when the skull bones fuse together. See how.
Video: Bent-over row with resistance tubing
The bent-over row targets the back of the shoulder. See how it's done.
Refine Your Search
Type
Gender
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 02 months to 2 years infant/toddler
- 03 to 5 years preschool
- 06 to 12 years elementary/preteen
- 13 to 18 years teen
- 00 birth to 01 month newborn
- 65 to 80 older
- 80 and over
- 29 to 40 middle
- 06 to 10 years elementary
- 02 to 15 months infant