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Foamy urine: What does it mean?
Persistently foamy urine can be a sign of protein in your urine (proteinuria) and could be an indicator of kidney disease.
Acid reflux and GERD: The same thing?
Acid reflux and GERD are closely related, but the terms aren't necessarily interchangeable.
Nighttime headaches: How can I get relief?
"Alarm clock" (hypnic) headaches wake people up. But other nighttime headaches also can disrupt sleep. Relief begins with determining the cause.
Does sunscreen expire?
Wondering whether sunscreen expires? Get the facts about how long sunscreen lasts.
Sulfa allergy: Which medications should I avoid?
Sulfa allergy: A Mayo Clinic expert discusses which medications are likely to cause problems.
Nocturnal panic attacks: What causes them?
Nighttime panic attacks can cause sweating, rapid heart rate, trembling, shortness of breath, heavy breathing, flushing or chills. Learn about treatment.
Asthma and acid reflux: Are they linked?
A Mayo Clinic expert discusses how acid reflux can make asthma worse.
Marijuana and depression: What's the link?
Marijuana and depression seem to go hand in hand for some people, but there's no clear evidence that marijuana directly causes depression.
Vitamin B-12 and depression: Are they related?
Low levels of vitamin B-12 and other B vitamins may be linked to depression, but more research is needed.
Stool color: When to worry
Stool color is usually a result of diet and is only rarely a concern.
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