Healthy at work
Learning Center
Valerian: A safe and effective herbal sleep aid?
Valerian — Can this sleep aid help you sleep better?
Varicocele
Find out how this condition involving the enlargement of veins in the scrotum can affect sperm quality and production.
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.
Video: Neck stretches for the workplace
Neck stretches can help prevent stiffness. Try these stretches at work.
Video: Seated stretches for the workplace
Stretching throughout the day can help prevent stiffness. Try these seated stretches at work.
Video: Standing stretches for the workplace
Standing stretches can help prevent stiffness. Try these stretches at work.
Video: Upper body stretches for the workplace
Upper body stretches can help prevent stiffness. Try these stretches at work.
Video: Wrist and forearm stretches for the workplace
Forearm stretches can help prevent stiffness. Try these stretches at work.
Withdrawal method (coitus interruptus)
The withdrawal method — pulling the penis out of the vagina before ejaculation — isn't the most effective birth control. Learn about the pros and cons.
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