Aerobic exercise
Learning Center
Want a strong brain? Exercise!
Regular exercise strengthens and tones your brain just as it does your body.
Walking: Trim your waistline, improve your health
Walking can be an ideal low-impact exercise. Get the most from your walking routine.
Walking: Make it count with activity trackers
If walking is your main form of physical activity, see how activity trackers can help you set and achieve your fitness goals.
Vagina: What's typical, what's not
Vaginal health is important. Use this information to protect your vaginal health and spot potential problems.
Tweak your walking routine for muscle and bone health
With a few changes to your regular walking routine, you can keep muscle and bone loss at bay as you age.
Tips for choosing and using walkers
A walker can provide balance and improve mobility. Understand the different types of walkers and how to use them.
Tips for choosing and using canes
A cane can improve balance and mobility. Learn about the choices that are available and how to use a cane correctly.
Testosterone therapy: Potential benefits and risks as you age
Testosterone therapy — Explore the potential benefits and risks of increasing your testosterone level.
Spitting up in babies: What's normal, what's not
Spitting up in babies is common — and usually nothing to worry about.
Sexually transmitted disease (STD) symptoms
Learn about symptoms of some of the more common diseases that can be passed through sex.
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