Weight machine exercises
Learning Center
Video: Seated leg press with weight machine
The leg press exercise strengthens the lower body. See how it's done.
Video: Seated row with weight machine
The seated row targets the muscles in the upper back. See how it's done.
Video: Triceps extension with weight machine
The triceps extension targets the back of the upper arm. See how it's done.
What a newborn really looks like
Here's what to expect when you meet your baby for the first time.
What a newborn really looks like
Here's what to expect when you meet your baby for the first time.
Whooping cough
Learn more about the symptoms, causes, treatment of this highly contagious, vaccine-preventable lung infection.
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.
Wolff-Parkinson-White (WPW) syndrome
This heart condition present at birth causes a fast heartbeat. Rarely, it can cause sudden cardiac death. Know the symptoms and how it's treated.
X-linked agammaglobulinemia
This genetic disease weakens the immune system, mainly in males, and leads to having infections often.
Yeast infection in men: How can I tell if I have one?
Yeast infections can occur in men, causing inflammation of the penis (balanitis). Learn what signs and symptoms could mean you have a yeast infection.
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