Sports nutrition
Learning Center
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.
Working out? Time your meals right
Think about how much you eat before you work out. If you eat too much, you may feel sluggish. On the flip side, if you don't eat much before you exercise, you may not have the energy to keep feeling strong throughout your workout. To strike the right balance, eat a light snack before exercising. After a big meal, wait a few hours before hitting the gym.
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.
White patch on skin: A cause for concern?
A small white patch on skin may have several causes, including eczema, psoriasis and vitiligo.
Whiplash
This common neck injury often is from a car crash. But other trauma can cause it too. Know the symptoms and how to treat it.
Wheezing in children: Could it be asthma?
Wheezing in children may be a sign of asthma — but not always.
Wheezing
Wheezing: Symptom — Overview covers definition, possible causes of this symptom.
Vulvar varicosities during pregnancy: What can you do?
Vulvar varicosities can cause discomfort during pregnancy. Understand what causes this form of varicose veins and learn how to get relief.
Vocal cord dysfunction: Is it a type of asthma?
Vocal cord dysfunction and asthma cause similar symptoms, but they're not the same. Find out the difference between the two.
Video: Migraine aura
A migraine aura is usually visual, but can also be a sensory, motor or verbal disturbance. This animation shows what happens when you have a migraine aura.
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