Skin care
Learning Center
Tendinitis pain: Should I apply ice or heat?
Ice is recommended for sudden injuries to tendons. But heat might be a better choice for chronic tendinitis caused by overuse.
Melatonin side effects: What are the risks?
Melatonin is generally safe for short-term use but can cause side effects.
How many hours of sleep are enough?
Wonder how many hours of sleep are enough? A Mayo Clinic specialist offers guidelines.
Caffeine: Does it affect blood sugar?
For some people with diabetes, as much as one cup of coffee can cause higher or lower blood sugar levels. Learn how caffeine affects your blood sugar.
Does sunscreen expire?
Wondering whether sunscreen expires? Get the facts about how long sunscreen lasts.
Coping with anxiety: Can diet make a difference?
Coping with anxiety is a challenge. Eating habits may play a role.
Child growth: Can you predict adult height?
Concerned about your child's growth? Find out how you can estimate your child's adult height.
Honey: An effective cough remedy?
A study in children with the common cold suggests that honey may help calm coughs.
Blood pressure medication: Still necessary if I lose weight?
Losing weight may reduce or end the need for blood pressure medicine.
Grass-fed beef: What are the heart-health benefits?
Grass-fed beef may have heart-health benefits that conventional beef doesn't. Find out more.
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