Mayo Clinic 
Mayo Clinic specialists answer health questions.
Updated: 11 min 41 sec ago
Chickenpox and pregnancy: What are the concerns?
Chickenpox and pregnancy — If chickenpox develops during pregnancy, the risks depend on the timing.
Artificial sweeteners: Any effect on blood sugar?
Artificial sweeteners, also called sugar substitutes, offer the sweetness of sugar without the calories.
Seasonale: Does breakthrough bleeding last long?
Seasonale side effects may include bleeding between periods. This usually decreases with time.
MAOIs and diet: Is it necessary to restrict tyramine?
A low-tyramine diet is important for anyone taking MAOIs.
Low-sodium diet: Why is processed food so salty?
Does processed food need to be so salty? Many food and nutrition experts think not.
Brushing your teeth: When's the best time?
When should you brush your teeth? Timing is important.
Alzheimer's prevention: Does it exist?
Alzheimer's prevention: Strategies for staying physically and mentally fit may be most effective.
Heart disease prevention: A link to oral health?
Taking care of your teeth and gums can help with heart disease prevention. Find out more.
Can I use yoga for weight loss?
Don't rely solely on yoga for weight loss. Add aerobic activities to burn more calories.
Organic baby food: Is it worth the price?
Organic baby food hasn't been proved more nutritious than traditional baby food.
The Special K diet: Helpful for weight loss?
Special K diet — It may sound appealing, but can it help you lose weight permanently?
LABAs for asthma — Should I stop taking them?
Long-acting beta agonists (LABAs) — Understand the benefits and risks of these asthma medications.
Epidural steroid injections for back pain: Why limited dosing?
Generally, you can receive only a limited number of epidural steroid injections a year.
Ankle weights for fitness walkers: Good idea?
When you walk, skip the ankle weights and simply pick up the pace.
Nervous stomach: Is there such a thing?
"Nervous stomach" is a vague term that doesn't indicate a specific diagnosis.
Sunburn treatment: What works?
There's no fast-fix sunburn treatment, but you can ease discomfort while your skin heals.
Hoarders: When does a hobby become an obsession?
Hoarders — how to recognize the warning signs.
Breast cysts: What role does caffeine play?
Some research suggests an indirect link between caffeine and breast cysts.
Hypothyroidism: Does it cause joint pain?
Hypothyroidism can cause muscle and joint problems, such as joint pain and stiffness.
Aspirin during pregnancy: Is it safe?
Generally, aspirin during pregnancy isn't recommended.